Home / 15,128.71-22,695.50-6,366.13

Finding the Fourth Proportional to 15,128.71, 22,695.50 and 6,366.13

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Solution

The fourth proportional to 15,128.71, 22,695.50 and 6,366.13 is: 9,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.71 : 22,695.50 = 6,366.13 : x
  2. Step 2: Convert to fraction form
    15,128.71/22,695.50 = 6,366.13/x
  3. Step 3: Cross multiply
    15,128.71x = 22,695.50 × 6,366.13
  4. Step 4: Simplify right side
    15,128.71x = 144,482,462.59
  5. Step 5: Solve for x
    x = 144,482,462.59/15,128.71
  6. Step 6: Final answer
    x = 9,550.22

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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.