Home / 16,510.96-22,781.76-9,439.76

Finding the Fourth Proportional to 16,510.96, 22,781.76 and 9,439.76

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Solution

The fourth proportional to 16,510.96, 22,781.76 and 9,439.76 is: 13,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,510.96 : 22,781.76 = 9,439.76 : x
  2. Step 2: Convert to fraction form
    16,510.96/22,781.76 = 9,439.76/x
  3. Step 3: Cross multiply
    16,510.96x = 22,781.76 × 9,439.76
  4. Step 4: Simplify right side
    16,510.96x = 215,054,346.78
  5. Step 5: Solve for x
    x = 215,054,346.78/16,510.96
  6. Step 6: Final answer
    x = 13,024.95

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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.