Home / 22,167.12-33,230.20-8,307.28

Finding the Fourth Proportional to 22,167.12, 33,230.20 and 8,307.28

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Solution

The fourth proportional to 22,167.12, 33,230.20 and 8,307.28 is: 12,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.12 : 33,230.20 = 8,307.28 : x
  2. Step 2: Convert to fraction form
    22,167.12/33,230.20 = 8,307.28/x
  3. Step 3: Cross multiply
    22,167.12x = 33,230.20 × 8,307.28
  4. Step 4: Simplify right side
    22,167.12x = 276,052,575.86
  5. Step 5: Solve for x
    x = 276,052,575.86/22,167.12
  6. Step 6: Final answer
    x = 12,453.24

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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.