Home / 16,759.72-23,127.78-9,308.20

Finding the Fourth Proportional to 16,759.72, 23,127.78 and 9,308.20

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Solution

The fourth proportional to 16,759.72, 23,127.78 and 9,308.20 is: 12,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.72 : 23,127.78 = 9,308.20 : x
  2. Step 2: Convert to fraction form
    16,759.72/23,127.78 = 9,308.20/x
  3. Step 3: Cross multiply
    16,759.72x = 23,127.78 × 9,308.20
  4. Step 4: Simplify right side
    16,759.72x = 215,278,001.80
  5. Step 5: Solve for x
    x = 215,278,001.80/16,759.72
  6. Step 6: Final answer
    x = 12,844.96

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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.