Home / 18,257.60-25,195.35-9,874.10

Finding the Fourth Proportional to 18,257.60, 25,195.35 and 9,874.10

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Solution

The fourth proportional to 18,257.60, 25,195.35 and 9,874.10 is: 13,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.60 : 25,195.35 = 9,874.10 : x
  2. Step 2: Convert to fraction form
    18,257.60/25,195.35 = 9,874.10/x
  3. Step 3: Cross multiply
    18,257.60x = 25,195.35 × 9,874.10
  4. Step 4: Simplify right side
    18,257.60x = 248,781,356.06
  5. Step 5: Solve for x
    x = 248,781,356.06/18,257.60
  6. Step 6: Final answer
    x = 13,626.18

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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.