Home / 29,265.26-40,385.75-15,836.22

Finding the Fourth Proportional to 29,265.26, 40,385.75 and 15,836.22

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Solution

The fourth proportional to 29,265.26, 40,385.75 and 15,836.22 is: 21,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.26 : 40,385.75 = 15,836.22 : x
  2. Step 2: Convert to fraction form
    29,265.26/40,385.75 = 15,836.22/x
  3. Step 3: Cross multiply
    29,265.26x = 40,385.75 × 15,836.22
  4. Step 4: Simplify right side
    29,265.26x = 639,557,542.68
  5. Step 5: Solve for x
    x = 639,557,542.68/29,265.26
  6. Step 6: Final answer
    x = 21,853.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.