Home / 22,923.12-31,633.58-12,851.56

Finding the Fourth Proportional to 22,923.12, 31,633.58 and 12,851.56

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Solution

The fourth proportional to 22,923.12, 31,633.58 and 12,851.56 is: 17,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.12 : 31,633.58 = 12,851.56 : x
  2. Step 2: Convert to fraction form
    22,923.12/31,633.58 = 12,851.56/x
  3. Step 3: Cross multiply
    22,923.12x = 31,633.58 × 12,851.56
  4. Step 4: Simplify right side
    22,923.12x = 406,540,851.38
  5. Step 5: Solve for x
    x = 406,540,851.38/22,923.12
  6. Step 6: Final answer
    x = 17,734.97

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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.