Home / 18,305.25-25,261.47-10,751.69

Finding the Fourth Proportional to 18,305.25, 25,261.47 and 10,751.69

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Solution

The fourth proportional to 18,305.25, 25,261.47 and 10,751.69 is: 14,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.25 : 25,261.47 = 10,751.69 : x
  2. Step 2: Convert to fraction form
    18,305.25/25,261.47 = 10,751.69/x
  3. Step 3: Cross multiply
    18,305.25x = 25,261.47 × 10,751.69
  4. Step 4: Simplify right side
    18,305.25x = 271,603,494.38
  5. Step 5: Solve for x
    x = 271,603,494.38/18,305.25
  6. Step 6: Final answer
    x = 14,837.46

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Half scale
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Double scale
Find fourth proportional to 18,306.25, 25,262.85 and 10,752.69
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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.