Home / 13,831.52-20,757-6,042.56

Finding the Fourth Proportional to 13,831.52, 20,757 and 6,042.56

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Solution

The fourth proportional to 13,831.52, 20,757 and 6,042.56 is: 9,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.52 : 20,757 = 6,042.56 : x
  2. Step 2: Convert to fraction form
    13,831.52/20,757 = 6,042.56/x
  3. Step 3: Cross multiply
    13,831.52x = 20,757 × 6,042.56
  4. Step 4: Simplify right side
    13,831.52x = 125,425,417.92
  5. Step 5: Solve for x
    x = 125,425,417.92/13,831.52
  6. Step 6: Final answer
    x = 9,068.09

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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.