Home / 18,265.25-25,206.18-11,196.38

Finding the Fourth Proportional to 18,265.25, 25,206.18 and 11,196.38

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Solution

The fourth proportional to 18,265.25, 25,206.18 and 11,196.38 is: 15,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.25 : 25,206.18 = 11,196.38 : x
  2. Step 2: Convert to fraction form
    18,265.25/25,206.18 = 11,196.38/x
  3. Step 3: Cross multiply
    18,265.25x = 25,206.18 × 11,196.38
  4. Step 4: Simplify right side
    18,265.25x = 282,217,969.63
  5. Step 5: Solve for x
    x = 282,217,969.63/18,265.25
  6. Step 6: Final answer
    x = 15,451.09

Related Problems

Find fourth proportional to 9,132.63, 12,603.09 and 5,598.19
Half scale
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Double scale
Find fourth proportional to 18,266.25, 25,207.56 and 11,197.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.