Home / 16,385.76-22,621.68-10,812.96

Finding the Fourth Proportional to 16,385.76, 22,621.68 and 10,812.96

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Solution

The fourth proportional to 16,385.76, 22,621.68 and 10,812.96 is: 14,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.76 : 22,621.68 = 10,812.96 : x
  2. Step 2: Convert to fraction form
    16,385.76/22,621.68 = 10,812.96/x
  3. Step 3: Cross multiply
    16,385.76x = 22,621.68 × 10,812.96
  4. Step 4: Simplify right side
    16,385.76x = 244,607,320.97
  5. Step 5: Solve for x
    x = 244,607,320.97/16,385.76
  6. Step 6: Final answer
    x = 14,928.04

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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.