Home / 25,240.20-34,833.02-13,909.68

Finding the Fourth Proportional to 25,240.20, 34,833.02 and 13,909.68

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Solution

The fourth proportional to 25,240.20, 34,833.02 and 13,909.68 is: 19,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.20 : 34,833.02 = 13,909.68 : x
  2. Step 2: Convert to fraction form
    25,240.20/34,833.02 = 13,909.68/x
  3. Step 3: Cross multiply
    25,240.20x = 34,833.02 × 13,909.68
  4. Step 4: Simplify right side
    25,240.20x = 484,516,092.09
  5. Step 5: Solve for x
    x = 484,516,092.09/25,240.20
  6. Step 6: Final answer
    x = 19,196.21

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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.