Home / 17,432.70-26,123.13-11,505.66

Finding the Fourth Proportional to 17,432.70, 26,123.13 and 11,505.66

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Solution

The fourth proportional to 17,432.70, 26,123.13 and 11,505.66 is: 17,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,432.70 : 26,123.13 = 11,505.66 : x
  2. Step 2: Convert to fraction form
    17,432.70/26,123.13 = 11,505.66/x
  3. Step 3: Cross multiply
    17,432.70x = 26,123.13 × 11,505.66
  4. Step 4: Simplify right side
    17,432.70x = 300,563,851.92
  5. Step 5: Solve for x
    x = 300,563,851.92/17,432.70
  6. Step 6: Final answer
    x = 17,241.38

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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.