Home / 25,761.92-38,642.88-14,068.76

Finding the Fourth Proportional to 25,761.92, 38,642.88 and 14,068.76

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Solution

The fourth proportional to 25,761.92, 38,642.88 and 14,068.76 is: 21,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.92 : 38,642.88 = 14,068.76 : x
  2. Step 2: Convert to fraction form
    25,761.92/38,642.88 = 14,068.76/x
  3. Step 3: Cross multiply
    25,761.92x = 38,642.88 × 14,068.76
  4. Step 4: Simplify right side
    25,761.92x = 543,657,404.43
  5. Step 5: Solve for x
    x = 543,657,404.43/25,761.92
  6. Step 6: Final answer
    x = 21,103.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.