Home / 25,864.20-38,796.30-12,040.20

Finding the Fourth Proportional to 25,864.20, 38,796.30 and 12,040.20

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Solution

The fourth proportional to 25,864.20, 38,796.30 and 12,040.20 is: 18,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.20 : 38,796.30 = 12,040.20 : x
  2. Step 2: Convert to fraction form
    25,864.20/38,796.30 = 12,040.20/x
  3. Step 3: Cross multiply
    25,864.20x = 38,796.30 × 12,040.20
  4. Step 4: Simplify right side
    25,864.20x = 467,115,211.26
  5. Step 5: Solve for x
    x = 467,115,211.26/25,864.20
  6. Step 6: Final answer
    x = 18,060.30

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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.