Home / 18,460.38-25,487.55-11,397.18

Finding the Fourth Proportional to 18,460.38, 25,487.55 and 11,397.18

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Solution

The fourth proportional to 18,460.38, 25,487.55 and 11,397.18 is: 15,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.38 : 25,487.55 = 11,397.18 : x
  2. Step 2: Convert to fraction form
    18,460.38/25,487.55 = 11,397.18/x
  3. Step 3: Cross multiply
    18,460.38x = 25,487.55 × 11,397.18
  4. Step 4: Simplify right side
    18,460.38x = 290,486,195.11
  5. Step 5: Solve for x
    x = 290,486,195.11/18,460.38
  6. Step 6: Final answer
    x = 15,735.66

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Half scale
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Double scale
Find fourth proportional to 18,461.38, 25,488.93 and 11,398.18
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.