Home / 18,742.59-25,862.49-10,359.09

Finding the Fourth Proportional to 18,742.59, 25,862.49 and 10,359.09

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Solution

The fourth proportional to 18,742.59, 25,862.49 and 10,359.09 is: 14,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.59 : 25,862.49 = 10,359.09 : x
  2. Step 2: Convert to fraction form
    18,742.59/25,862.49 = 10,359.09/x
  3. Step 3: Cross multiply
    18,742.59x = 25,862.49 × 10,359.09
  4. Step 4: Simplify right side
    18,742.59x = 267,911,861.53
  5. Step 5: Solve for x
    x = 267,911,861.53/18,742.59
  6. Step 6: Final answer
    x = 14,294.28

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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.