Home / 19,028.12-28,542.17-5,880.20

Finding the Fourth Proportional to 19,028.12, 28,542.17 and 5,880.20

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Solution

The fourth proportional to 19,028.12, 28,542.17 and 5,880.20 is: 8,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.12 : 28,542.17 = 5,880.20 : x
  2. Step 2: Convert to fraction form
    19,028.12/28,542.17 = 5,880.20/x
  3. Step 3: Cross multiply
    19,028.12x = 28,542.17 × 5,880.20
  4. Step 4: Simplify right side
    19,028.12x = 167,833,540.02
  5. Step 5: Solve for x
    x = 167,833,540.02/19,028.12
  6. Step 6: Final answer
    x = 8,820.29

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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.