Home / 18,257.68-25,195.57-9,874.18

Finding the Fourth Proportional to 18,257.68, 25,195.57 and 9,874.18

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Solution

The fourth proportional to 18,257.68, 25,195.57 and 9,874.18 is: 13,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.68 : 25,195.57 = 9,874.18 : x
  2. Step 2: Convert to fraction form
    18,257.68/25,195.57 = 9,874.18/x
  3. Step 3: Cross multiply
    18,257.68x = 25,195.57 × 9,874.18
  4. Step 4: Simplify right side
    18,257.68x = 248,785,593.38
  5. Step 5: Solve for x
    x = 248,785,593.38/18,257.68
  6. Step 6: Final answer
    x = 13,626.35

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Half scale
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Double scale
Find fourth proportional to 18,258.68, 25,196.95 and 9,875.18
Similar ratio
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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.