Home / 23,532.20-32,472.32-12,921.60

Finding the Fourth Proportional to 23,532.20, 32,472.32 and 12,921.60

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Solution

The fourth proportional to 23,532.20, 32,472.32 and 12,921.60 is: 17,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,532.20 : 32,472.32 = 12,921.60 : x
  2. Step 2: Convert to fraction form
    23,532.20/32,472.32 = 12,921.60/x
  3. Step 3: Cross multiply
    23,532.20x = 32,472.32 × 12,921.60
  4. Step 4: Simplify right side
    23,532.20x = 419,594,330.11
  5. Step 5: Solve for x
    x = 419,594,330.11/23,532.20
  6. Step 6: Final answer
    x = 17,830.65

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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.