Home / 12,224.16-18,319.68-8,753.76

Finding the Fourth Proportional to 12,224.16, 18,319.68 and 8,753.76

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Solution

The fourth proportional to 12,224.16, 18,319.68 and 8,753.76 is: 13,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.16 : 18,319.68 = 8,753.76 : x
  2. Step 2: Convert to fraction form
    12,224.16/18,319.68 = 8,753.76/x
  3. Step 3: Cross multiply
    12,224.16x = 18,319.68 × 8,753.76
  4. Step 4: Simplify right side
    12,224.16x = 160,366,082.00
  5. Step 5: Solve for x
    x = 160,366,082.00/12,224.16
  6. Step 6: Final answer
    x = 13,118.78

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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.