Home / 25,410.90-38,127.29-12,273.12

Finding the Fourth Proportional to 25,410.90, 38,127.29 and 12,273.12

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Solution

The fourth proportional to 25,410.90, 38,127.29 and 12,273.12 is: 18,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.90 : 38,127.29 = 12,273.12 : x
  2. Step 2: Convert to fraction form
    25,410.90/38,127.29 = 12,273.12/x
  3. Step 3: Cross multiply
    25,410.90x = 38,127.29 × 12,273.12
  4. Step 4: Simplify right side
    25,410.90x = 467,940,744.08
  5. Step 5: Solve for x
    x = 467,940,744.08/25,410.90
  6. Step 6: Final answer
    x = 18,414.96

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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.