Home / 21,445.70-32,203.92-14,470.52

Finding the Fourth Proportional to 21,445.70, 32,203.92 and 14,470.52

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Solution

The fourth proportional to 21,445.70, 32,203.92 and 14,470.52 is: 21,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.70 : 32,203.92 = 14,470.52 : x
  2. Step 2: Convert to fraction form
    21,445.70/32,203.92 = 14,470.52/x
  3. Step 3: Cross multiply
    21,445.70x = 32,203.92 × 14,470.52
  4. Step 4: Simplify right side
    21,445.70x = 466,007,468.44
  5. Step 5: Solve for x
    x = 466,007,468.44/21,445.70
  6. Step 6: Final answer
    x = 21,729.65

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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.