Home / 14,120.39-21,180.22-3,732.23

Finding the Fourth Proportional to 14,120.39, 21,180.22 and 3,732.23

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Solution

The fourth proportional to 14,120.39, 21,180.22 and 3,732.23 is: 5,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.39 : 21,180.22 = 3,732.23 : x
  2. Step 2: Convert to fraction form
    14,120.39/21,180.22 = 3,732.23/x
  3. Step 3: Cross multiply
    14,120.39x = 21,180.22 × 3,732.23
  4. Step 4: Simplify right side
    14,120.39x = 79,049,337.26
  5. Step 5: Solve for x
    x = 79,049,337.26/14,120.39
  6. Step 6: Final answer
    x = 5,598.24

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Double scale
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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.