Home / 22,747.65-31,391.33-12,675.87

Finding the Fourth Proportional to 22,747.65, 31,391.33 and 12,675.87

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Solution

The fourth proportional to 22,747.65, 31,391.33 and 12,675.87 is: 17,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.65 : 31,391.33 = 12,675.87 : x
  2. Step 2: Convert to fraction form
    22,747.65/31,391.33 = 12,675.87/x
  3. Step 3: Cross multiply
    22,747.65x = 31,391.33 × 12,675.87
  4. Step 4: Simplify right side
    22,747.65x = 397,912,402.36
  5. Step 5: Solve for x
    x = 397,912,402.36/22,747.65
  6. Step 6: Final answer
    x = 17,492.46

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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.