Home / 23,278.31-34,924.35-13,424.66

Finding the Fourth Proportional to 23,278.31, 34,924.35 and 13,424.66

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Solution

The fourth proportional to 23,278.31, 34,924.35 and 13,424.66 is: 20,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.31 : 34,924.35 = 13,424.66 : x
  2. Step 2: Convert to fraction form
    23,278.31/34,924.35 = 13,424.66/x
  3. Step 3: Cross multiply
    23,278.31x = 34,924.35 × 13,424.66
  4. Step 4: Simplify right side
    23,278.31x = 468,847,662.12
  5. Step 5: Solve for x
    x = 468,847,662.12/23,278.31
  6. Step 6: Final answer
    x = 20,140.96

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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.