Home / 13,831.72-20,748.76-5,934.58

Finding the Fourth Proportional to 13,831.72, 20,748.76 and 5,934.58

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Solution

The fourth proportional to 13,831.72, 20,748.76 and 5,934.58 is: 8,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.72 : 20,748.76 = 5,934.58 : x
  2. Step 2: Convert to fraction form
    13,831.72/20,748.76 = 5,934.58/x
  3. Step 3: Cross multiply
    13,831.72x = 20,748.76 × 5,934.58
  4. Step 4: Simplify right side
    13,831.72x = 123,135,109.41
  5. Step 5: Solve for x
    x = 123,135,109.41/13,831.72
  6. Step 6: Final answer
    x = 8,902.37

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1.5x scale

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.