Home / 18,301.20-25,252.22-11,589.05

Finding the Fourth Proportional to 18,301.20, 25,252.22 and 11,589.05

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Solution

The fourth proportional to 18,301.20, 25,252.22 and 11,589.05 is: 15,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.20 : 25,252.22 = 11,589.05 : x
  2. Step 2: Convert to fraction form
    18,301.20/25,252.22 = 11,589.05/x
  3. Step 3: Cross multiply
    18,301.20x = 25,252.22 × 11,589.05
  4. Step 4: Simplify right side
    18,301.20x = 292,649,212.38
  5. Step 5: Solve for x
    x = 292,649,212.38/18,301.20
  6. Step 6: Final answer
    x = 15,990.71

Related Problems

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Half scale
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Double scale
Find fourth proportional to 18,302.20, 25,253.60 and 11,590.05
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.