Home / 25,246.92-34,840.55-13,761.80

Finding the Fourth Proportional to 25,246.92, 34,840.55 and 13,761.80

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Solution

The fourth proportional to 25,246.92, 34,840.55 and 13,761.80 is: 18,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.92 : 34,840.55 = 13,761.80 : x
  2. Step 2: Convert to fraction form
    25,246.92/34,840.55 = 13,761.80/x
  3. Step 3: Cross multiply
    25,246.92x = 34,840.55 × 13,761.80
  4. Step 4: Simplify right side
    25,246.92x = 479,468,802.50
  5. Step 5: Solve for x
    x = 479,468,802.50/25,246.92
  6. Step 6: Final answer
    x = 18,991.18

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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.