Home / 13,831.62-20,748.60-6,045.90

Finding the Fourth Proportional to 13,831.62, 20,748.60 and 6,045.90

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Solution

The fourth proportional to 13,831.62, 20,748.60 and 6,045.90 is: 9,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.62 : 20,748.60 = 6,045.90 : x
  2. Step 2: Convert to fraction form
    13,831.62/20,748.60 = 6,045.90/x
  3. Step 3: Cross multiply
    13,831.62x = 20,748.60 × 6,045.90
  4. Step 4: Simplify right side
    13,831.62x = 125,443,960.74
  5. Step 5: Solve for x
    x = 125,443,960.74/13,831.62
  6. Step 6: Final answer
    x = 9,069.36

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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.