Home / 14,470.75-21,708.11-5,108.59

Finding the Fourth Proportional to 14,470.75, 21,708.11 and 5,108.59

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Solution

The fourth proportional to 14,470.75, 21,708.11 and 5,108.59 is: 7,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.75 : 21,708.11 = 5,108.59 : x
  2. Step 2: Convert to fraction form
    14,470.75/21,708.11 = 5,108.59/x
  3. Step 3: Cross multiply
    14,470.75x = 21,708.11 × 5,108.59
  4. Step 4: Simplify right side
    14,470.75x = 110,897,833.66
  5. Step 5: Solve for x
    x = 110,897,833.66/14,470.75
  6. Step 6: Final answer
    x = 7,663.59

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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.