Home / 12,226.55-18,343.76-5,565.42

Finding the Fourth Proportional to 12,226.55, 18,343.76 and 5,565.42

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Solution

The fourth proportional to 12,226.55, 18,343.76 and 5,565.42 is: 8,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.55 : 18,343.76 = 5,565.42 : x
  2. Step 2: Convert to fraction form
    12,226.55/18,343.76 = 5,565.42/x
  3. Step 3: Cross multiply
    12,226.55x = 18,343.76 × 5,565.42
  4. Step 4: Simplify right side
    12,226.55x = 102,090,700.95
  5. Step 5: Solve for x
    x = 102,090,700.95/12,226.55
  6. Step 6: Final answer
    x = 8,349.92

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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.