Home / 23,831.78-35,711.20-12,740.04

Finding the Fourth Proportional to 23,831.78, 35,711.20 and 12,740.04

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Solution

The fourth proportional to 23,831.78, 35,711.20 and 12,740.04 is: 19,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.78 : 35,711.20 = 12,740.04 : x
  2. Step 2: Convert to fraction form
    23,831.78/35,711.20 = 12,740.04/x
  3. Step 3: Cross multiply
    23,831.78x = 35,711.20 × 12,740.04
  4. Step 4: Simplify right side
    23,831.78x = 454,962,116.45
  5. Step 5: Solve for x
    x = 454,962,116.45/23,831.78
  6. Step 6: Final answer
    x = 19,090.56

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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.