Home / 16,234.85-22,400.28-9,861.26

Finding the Fourth Proportional to 16,234.85, 22,400.28 and 9,861.26

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Solution

The fourth proportional to 16,234.85, 22,400.28 and 9,861.26 is: 13,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.85 : 22,400.28 = 9,861.26 : x
  2. Step 2: Convert to fraction form
    16,234.85/22,400.28 = 9,861.26/x
  3. Step 3: Cross multiply
    16,234.85x = 22,400.28 × 9,861.26
  4. Step 4: Simplify right side
    16,234.85x = 220,894,999.15
  5. Step 5: Solve for x
    x = 220,894,999.15/16,234.85
  6. Step 6: Final answer
    x = 13,606.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.