Home / 13,831.56-20,750.38-5,066.55

Finding the Fourth Proportional to 13,831.56, 20,750.38 and 5,066.55

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Solution

The fourth proportional to 13,831.56, 20,750.38 and 5,066.55 is: 7,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.56 : 20,750.38 = 5,066.55 : x
  2. Step 2: Convert to fraction form
    13,831.56/20,750.38 = 5,066.55/x
  3. Step 3: Cross multiply
    13,831.56x = 20,750.38 × 5,066.55
  4. Step 4: Simplify right side
    13,831.56x = 105,132,825.12
  5. Step 5: Solve for x
    x = 105,132,825.12/13,831.56
  6. Step 6: Final answer
    x = 7,600.94

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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.