Home / 13,831.92-20,748.96-5,066.64

Finding the Fourth Proportional to 13,831.92, 20,748.96 and 5,066.64

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Solution

The fourth proportional to 13,831.92, 20,748.96 and 5,066.64 is: 7,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.92 : 20,748.96 = 5,066.64 : x
  2. Step 2: Convert to fraction form
    13,831.92/20,748.96 = 5,066.64/x
  3. Step 3: Cross multiply
    13,831.92x = 20,748.96 × 5,066.64
  4. Step 4: Simplify right side
    13,831.92x = 105,127,510.69
  5. Step 5: Solve for x
    x = 105,127,510.69/13,831.92
  6. Step 6: Final answer
    x = 7,600.36

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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.