Home / 23,529.12-32,470.38-12,919.92

Finding the Fourth Proportional to 23,529.12, 32,470.38 and 12,919.92

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Solution

The fourth proportional to 23,529.12, 32,470.38 and 12,919.92 is: 17,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,529.12 : 32,470.38 = 12,919.92 : x
  2. Step 2: Convert to fraction form
    23,529.12/32,470.38 = 12,919.92/x
  3. Step 3: Cross multiply
    23,529.12x = 32,470.38 × 12,919.92
  4. Step 4: Simplify right side
    23,529.12x = 419,514,711.97
  5. Step 5: Solve for x
    x = 419,514,711.97/23,529.12
  6. Step 6: Final answer
    x = 17,829.60

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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.