Home / 22,294.12-30,765.75-12,222.99

Finding the Fourth Proportional to 22,294.12, 30,765.75 and 12,222.99

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Solution

The fourth proportional to 22,294.12, 30,765.75 and 12,222.99 is: 16,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.12 : 30,765.75 = 12,222.99 : x
  2. Step 2: Convert to fraction form
    22,294.12/30,765.75 = 12,222.99/x
  3. Step 3: Cross multiply
    22,294.12x = 30,765.75 × 12,222.99
  4. Step 4: Simplify right side
    22,294.12x = 376,049,454.59
  5. Step 5: Solve for x
    x = 376,049,454.59/22,294.12
  6. Step 6: Final answer
    x = 16,867.65

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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.