Home / 22,791.96-31,425.30-17,688.96

Finding the Fourth Proportional to 22,791.96, 31,425.30 and 17,688.96

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Solution

The fourth proportional to 22,791.96, 31,425.30 and 17,688.96 is: 24,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.96 : 31,425.30 = 17,688.96 : x
  2. Step 2: Convert to fraction form
    22,791.96/31,425.30 = 17,688.96/x
  3. Step 3: Cross multiply
    22,791.96x = 31,425.30 × 17,688.96
  4. Step 4: Simplify right side
    22,791.96x = 555,880,874.69
  5. Step 5: Solve for x
    x = 555,880,874.69/22,791.96
  6. Step 6: Final answer
    x = 24,389.34

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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.