Home / 18,225.92-25,147.35-10,268.15

Finding the Fourth Proportional to 18,225.92, 25,147.35 and 10,268.15

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Solution

The fourth proportional to 18,225.92, 25,147.35 and 10,268.15 is: 14,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.92 : 25,147.35 = 10,268.15 : x
  2. Step 2: Convert to fraction form
    18,225.92/25,147.35 = 10,268.15/x
  3. Step 3: Cross multiply
    18,225.92x = 25,147.35 × 10,268.15
  4. Step 4: Simplify right side
    18,225.92x = 258,216,761.90
  5. Step 5: Solve for x
    x = 258,216,761.90/18,225.92
  6. Step 6: Final answer
    x = 14,167.56

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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.