Home / 14,234.85-21,346.02-7,569.90

Finding the Fourth Proportional to 14,234.85, 21,346.02 and 7,569.90

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Solution

The fourth proportional to 14,234.85, 21,346.02 and 7,569.90 is: 11,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.85 : 21,346.02 = 7,569.90 : x
  2. Step 2: Convert to fraction form
    14,234.85/21,346.02 = 7,569.90/x
  3. Step 3: Cross multiply
    14,234.85x = 21,346.02 × 7,569.90
  4. Step 4: Simplify right side
    14,234.85x = 161,587,236.80
  5. Step 5: Solve for x
    x = 161,587,236.80/14,234.85
  6. Step 6: Final answer
    x = 11,351.52

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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.