Home / 15,917.52-21,966.24-8,748.04

Finding the Fourth Proportional to 15,917.52, 21,966.24 and 8,748.04

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Solution

The fourth proportional to 15,917.52, 21,966.24 and 8,748.04 is: 12,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.52 : 21,966.24 = 8,748.04 : x
  2. Step 2: Convert to fraction form
    15,917.52/21,966.24 = 8,748.04/x
  3. Step 3: Cross multiply
    15,917.52x = 21,966.24 × 8,748.04
  4. Step 4: Simplify right side
    15,917.52x = 192,161,546.17
  5. Step 5: Solve for x
    x = 192,161,546.17/15,917.52
  6. Step 6: Final answer
    x = 12,072.33

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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.