Home / 25,103.97-34,624.26-18,387.18

Finding the Fourth Proportional to 25,103.97, 34,624.26 and 18,387.18

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Solution

The fourth proportional to 25,103.97, 34,624.26 and 18,387.18 is: 25,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.97 : 34,624.26 = 18,387.18 : x
  2. Step 2: Convert to fraction form
    25,103.97/34,624.26 = 18,387.18/x
  3. Step 3: Cross multiply
    25,103.97x = 34,624.26 × 18,387.18
  4. Step 4: Simplify right side
    25,103.97x = 636,642,500.99
  5. Step 5: Solve for x
    x = 636,642,500.99/25,103.97
  6. Step 6: Final answer
    x = 25,360.23

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Double scale
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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.