Home / 15,502.04-23,239.38-5,639.60

Finding the Fourth Proportional to 15,502.04, 23,239.38 and 5,639.60

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Solution

The fourth proportional to 15,502.04, 23,239.38 and 5,639.60 is: 8,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.04 : 23,239.38 = 5,639.60 : x
  2. Step 2: Convert to fraction form
    15,502.04/23,239.38 = 5,639.60/x
  3. Step 3: Cross multiply
    15,502.04x = 23,239.38 × 5,639.60
  4. Step 4: Simplify right side
    15,502.04x = 131,060,691.25
  5. Step 5: Solve for x
    x = 131,060,691.25/15,502.04
  6. Step 6: Final answer
    x = 8,454.42

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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.