Home / 15,558.85-23,330.97-5,691.23

Finding the Fourth Proportional to 15,558.85, 23,330.97 and 5,691.23

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Solution

The fourth proportional to 15,558.85, 23,330.97 and 5,691.23 is: 8,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.85 : 23,330.97 = 5,691.23 : x
  2. Step 2: Convert to fraction form
    15,558.85/23,330.97 = 5,691.23/x
  3. Step 3: Cross multiply
    15,558.85x = 23,330.97 × 5,691.23
  4. Step 4: Simplify right side
    15,558.85x = 132,781,813.97
  5. Step 5: Solve for x
    x = 132,781,813.97/15,558.85
  6. Step 6: Final answer
    x = 8,534.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.