Home / 22,774.12-34,167.84-7,984.24

Finding the Fourth Proportional to 22,774.12, 34,167.84 and 7,984.24

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Solution

The fourth proportional to 22,774.12, 34,167.84 and 7,984.24 is: 11,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.12 : 34,167.84 = 7,984.24 : x
  2. Step 2: Convert to fraction form
    22,774.12/34,167.84 = 7,984.24/x
  3. Step 3: Cross multiply
    22,774.12x = 34,167.84 × 7,984.24
  4. Step 4: Simplify right side
    22,774.12x = 272,804,234.84
  5. Step 5: Solve for x
    x = 272,804,234.84/22,774.12
  6. Step 6: Final answer
    x = 11,978.69

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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.