Home / 12,432.74-17,160.80-9,932.27

Finding the Fourth Proportional to 12,432.74, 17,160.80 and 9,932.27

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Solution

The fourth proportional to 12,432.74, 17,160.80 and 9,932.27 is: 13,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.74 : 17,160.80 = 9,932.27 : x
  2. Step 2: Convert to fraction form
    12,432.74/17,160.80 = 9,932.27/x
  3. Step 3: Cross multiply
    12,432.74x = 17,160.80 × 9,932.27
  4. Step 4: Simplify right side
    12,432.74x = 170,445,563.55
  5. Step 5: Solve for x
    x = 170,445,563.55/12,432.74
  6. Step 6: Final answer
    x = 13,709.42

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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.