Home / 18,307.13-25,262.41-11,136.08

Finding the Fourth Proportional to 18,307.13, 25,262.41 and 11,136.08

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Solution

The fourth proportional to 18,307.13, 25,262.41 and 11,136.08 is: 15,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.13 : 25,262.41 = 11,136.08 : x
  2. Step 2: Convert to fraction form
    18,307.13/25,262.41 = 11,136.08/x
  3. Step 3: Cross multiply
    18,307.13x = 25,262.41 × 11,136.08
  4. Step 4: Simplify right side
    18,307.13x = 281,324,064.60
  5. Step 5: Solve for x
    x = 281,324,064.60/18,307.13
  6. Step 6: Final answer
    x = 15,366.92

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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.