Home / 23,529.20-32,472-15,557.60

Finding the Fourth Proportional to 23,529.20, 32,472 and 15,557.60

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Solution

The fourth proportional to 23,529.20, 32,472 and 15,557.60 is: 21,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,529.20 : 32,472 = 15,557.60 : x
  2. Step 2: Convert to fraction form
    23,529.20/32,472 = 15,557.60/x
  3. Step 3: Cross multiply
    23,529.20x = 32,472 × 15,557.60
  4. Step 4: Simplify right side
    23,529.20x = 505,186,387.20
  5. Step 5: Solve for x
    x = 505,186,387.20/23,529.20
  6. Step 6: Final answer
    x = 21,470.61

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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.