Home / 18,217.72-25,140.92-10,260.24

Finding the Fourth Proportional to 18,217.72, 25,140.92 and 10,260.24

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Solution

The fourth proportional to 18,217.72, 25,140.92 and 10,260.24 is: 14,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.72 : 25,140.92 = 10,260.24 : x
  2. Step 2: Convert to fraction form
    18,217.72/25,140.92 = 10,260.24/x
  3. Step 3: Cross multiply
    18,217.72x = 25,140.92 × 10,260.24
  4. Step 4: Simplify right side
    18,217.72x = 257,951,873.02
  5. Step 5: Solve for x
    x = 257,951,873.02/18,217.72
  6. Step 6: Final answer
    x = 14,159.39

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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.