Home / 42,963.66-64,422.09-13,373.46

Finding the Fourth Proportional to 42,963.66, 64,422.09 and 13,373.46

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Solution

The fourth proportional to 42,963.66, 64,422.09 and 13,373.46 is: 20,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963.66 : 64,422.09 = 13,373.46 : x
  2. Step 2: Convert to fraction form
    42,963.66/64,422.09 = 13,373.46/x
  3. Step 3: Cross multiply
    42,963.66x = 64,422.09 × 13,373.46
  4. Step 4: Simplify right side
    42,963.66x = 861,546,243.73
  5. Step 5: Solve for x
    x = 861,546,243.73/42,963.66
  6. Step 6: Final answer
    x = 20,052.91

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1.5x scale

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.