Home / 13,764.19-20,648.13-5,001.61

Finding the Fourth Proportional to 13,764.19, 20,648.13 and 5,001.61

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Solution

The fourth proportional to 13,764.19, 20,648.13 and 5,001.61 is: 7,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.19 : 20,648.13 = 5,001.61 : x
  2. Step 2: Convert to fraction form
    13,764.19/20,648.13 = 5,001.61/x
  3. Step 3: Cross multiply
    13,764.19x = 20,648.13 × 5,001.61
  4. Step 4: Simplify right side
    13,764.19x = 103,273,790.25
  5. Step 5: Solve for x
    x = 103,273,790.25/13,764.19
  6. Step 6: Final answer
    x = 7,503.08

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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.