Home / 18,246.20-25,179.74-9,862.70

Finding the Fourth Proportional to 18,246.20, 25,179.74 and 9,862.70

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Solution

The fourth proportional to 18,246.20, 25,179.74 and 9,862.70 is: 13,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.20 : 25,179.74 = 9,862.70 : x
  2. Step 2: Convert to fraction form
    18,246.20/25,179.74 = 9,862.70/x
  3. Step 3: Cross multiply
    18,246.20x = 25,179.74 × 9,862.70
  4. Step 4: Simplify right side
    18,246.20x = 248,340,221.70
  5. Step 5: Solve for x
    x = 248,340,221.70/18,246.20
  6. Step 6: Final answer
    x = 13,610.52

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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.