Home / 16,531.16-22,812.55-8,977.14

Finding the Fourth Proportional to 16,531.16, 22,812.55 and 8,977.14

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Solution

The fourth proportional to 16,531.16, 22,812.55 and 8,977.14 is: 12,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.16 : 22,812.55 = 8,977.14 : x
  2. Step 2: Convert to fraction form
    16,531.16/22,812.55 = 8,977.14/x
  3. Step 3: Cross multiply
    16,531.16x = 22,812.55 × 8,977.14
  4. Step 4: Simplify right side
    16,531.16x = 204,791,432.66
  5. Step 5: Solve for x
    x = 204,791,432.66/16,531.16
  6. Step 6: Final answer
    x = 12,388.21

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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.