Home / 22,134.82-30,535.23-13,179.46

Finding the Fourth Proportional to 22,134.82, 30,535.23 and 13,179.46

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Solution

The fourth proportional to 22,134.82, 30,535.23 and 13,179.46 is: 18,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.82 : 30,535.23 = 13,179.46 : x
  2. Step 2: Convert to fraction form
    22,134.82/30,535.23 = 13,179.46/x
  3. Step 3: Cross multiply
    22,134.82x = 30,535.23 × 13,179.46
  4. Step 4: Simplify right side
    22,134.82x = 402,437,842.38
  5. Step 5: Solve for x
    x = 402,437,842.38/22,134.82
  6. Step 6: Final answer
    x = 18,181.21

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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.