Home / 22,747.46-31,394.22-13,316

Finding the Fourth Proportional to 22,747.46, 31,394.22 and 13,316

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Solution

The fourth proportional to 22,747.46, 31,394.22 and 13,316 is: 18,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.46 : 31,394.22 = 13,316 : x
  2. Step 2: Convert to fraction form
    22,747.46/31,394.22 = 13,316/x
  3. Step 3: Cross multiply
    22,747.46x = 31,394.22 × 13,316
  4. Step 4: Simplify right side
    22,747.46x = 418,045,433.52
  5. Step 5: Solve for x
    x = 418,045,433.52/22,747.46
  6. Step 6: Final answer
    x = 18,377.68

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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.