Home / 36,874.18-55,311.28-9,172.18

Finding the Fourth Proportional to 36,874.18, 55,311.28 and 9,172.18

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Solution

The fourth proportional to 36,874.18, 55,311.28 and 9,172.18 is: 13,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,874.18 : 55,311.28 = 9,172.18 : x
  2. Step 2: Convert to fraction form
    36,874.18/55,311.28 = 9,172.18/x
  3. Step 3: Cross multiply
    36,874.18x = 55,311.28 × 9,172.18
  4. Step 4: Simplify right side
    36,874.18x = 507,325,016.19
  5. Step 5: Solve for x
    x = 507,325,016.19/36,874.18
  6. Step 6: Final answer
    x = 13,758.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.