Home / 20,753.34-31,135.42-5,963.46

Finding the Fourth Proportional to 20,753.34, 31,135.42 and 5,963.46

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Solution

The fourth proportional to 20,753.34, 31,135.42 and 5,963.46 is: 8,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.34 : 31,135.42 = 5,963.46 : x
  2. Step 2: Convert to fraction form
    20,753.34/31,135.42 = 5,963.46/x
  3. Step 3: Cross multiply
    20,753.34x = 31,135.42 × 5,963.46
  4. Step 4: Simplify right side
    20,753.34x = 185,674,831.75
  5. Step 5: Solve for x
    x = 185,674,831.75/20,753.34
  6. Step 6: Final answer
    x = 8,946.74

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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.