Home / 23,321.16-34,989.30-13,959.72

Finding the Fourth Proportional to 23,321.16, 34,989.30 and 13,959.72

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Solution

The fourth proportional to 23,321.16, 34,989.30 and 13,959.72 is: 20,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.16 : 34,989.30 = 13,959.72 : x
  2. Step 2: Convert to fraction form
    23,321.16/34,989.30 = 13,959.72/x
  3. Step 3: Cross multiply
    23,321.16x = 34,989.30 × 13,959.72
  4. Step 4: Simplify right side
    23,321.16x = 488,440,831.00
  5. Step 5: Solve for x
    x = 488,440,831.00/23,321.16
  6. Step 6: Final answer
    x = 20,944.11

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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.