Home / 16,531.90-22,812.84-9,359.75

Finding the Fourth Proportional to 16,531.90, 22,812.84 and 9,359.75

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Solution

The fourth proportional to 16,531.90, 22,812.84 and 9,359.75 is: 12,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.90 : 22,812.84 = 9,359.75 : x
  2. Step 2: Convert to fraction form
    16,531.90/22,812.84 = 9,359.75/x
  3. Step 3: Cross multiply
    16,531.90x = 22,812.84 × 9,359.75
  4. Step 4: Simplify right side
    16,531.90x = 213,522,536.22
  5. Step 5: Solve for x
    x = 213,522,536.22/16,531.90
  6. Step 6: Final answer
    x = 12,915.79

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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.