Home / 22,606.17-31,198.71-13,174.13

Finding the Fourth Proportional to 22,606.17, 31,198.71 and 13,174.13

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Solution

The fourth proportional to 22,606.17, 31,198.71 and 13,174.13 is: 18,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.17 : 31,198.71 = 13,174.13 : x
  2. Step 2: Convert to fraction form
    22,606.17/31,198.71 = 13,174.13/x
  3. Step 3: Cross multiply
    22,606.17x = 31,198.71 × 13,174.13
  4. Step 4: Simplify right side
    22,606.17x = 411,015,705.38
  5. Step 5: Solve for x
    x = 411,015,705.38/22,606.17
  6. Step 6: Final answer
    x = 18,181.57

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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.