Home / 19,432.66-29,178.15-11,122.06

Finding the Fourth Proportional to 19,432.66, 29,178.15 and 11,122.06

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Solution

The fourth proportional to 19,432.66, 29,178.15 and 11,122.06 is: 16,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.66 : 29,178.15 = 11,122.06 : x
  2. Step 2: Convert to fraction form
    19,432.66/29,178.15 = 11,122.06/x
  3. Step 3: Cross multiply
    19,432.66x = 29,178.15 × 11,122.06
  4. Step 4: Simplify right side
    19,432.66x = 324,521,134.99
  5. Step 5: Solve for x
    x = 324,521,134.99/19,432.66
  6. Step 6: Final answer
    x = 16,699.78

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1.5x scale

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.