Home / 29,193.20-43,789.80-13,641.20

Finding the Fourth Proportional to 29,193.20, 43,789.80 and 13,641.20

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Solution

The fourth proportional to 29,193.20, 43,789.80 and 13,641.20 is: 20,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.20 : 43,789.80 = 13,641.20 : x
  2. Step 2: Convert to fraction form
    29,193.20/43,789.80 = 13,641.20/x
  3. Step 3: Cross multiply
    29,193.20x = 43,789.80 × 13,641.20
  4. Step 4: Simplify right side
    29,193.20x = 597,345,419.76
  5. Step 5: Solve for x
    x = 597,345,419.76/29,193.20
  6. Step 6: Final answer
    x = 20,461.80

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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.