Home / 22,978.10-34,458.26-8,936.23

Finding the Fourth Proportional to 22,978.10, 34,458.26 and 8,936.23

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Solution

The fourth proportional to 22,978.10, 34,458.26 and 8,936.23 is: 13,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,978.10 : 34,458.26 = 8,936.23 : x
  2. Step 2: Convert to fraction form
    22,978.10/34,458.26 = 8,936.23/x
  3. Step 3: Cross multiply
    22,978.10x = 34,458.26 × 8,936.23
  4. Step 4: Simplify right side
    22,978.10x = 307,926,719.79
  5. Step 5: Solve for x
    x = 307,926,719.79/22,978.10
  6. Step 6: Final answer
    x = 13,400.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.