Home / 16,280.32-24,430.40-5,891.20

Finding the Fourth Proportional to 16,280.32, 24,430.40 and 5,891.20

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Solution

The fourth proportional to 16,280.32, 24,430.40 and 5,891.20 is: 8,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.32 : 24,430.40 = 5,891.20 : x
  2. Step 2: Convert to fraction form
    16,280.32/24,430.40 = 5,891.20/x
  3. Step 3: Cross multiply
    16,280.32x = 24,430.40 × 5,891.20
  4. Step 4: Simplify right side
    16,280.32x = 143,924,372.48
  5. Step 5: Solve for x
    x = 143,924,372.48/16,280.32
  6. Step 6: Final answer
    x = 8,840.39

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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.