Home / 25,391.10-38,061.54-12,040.61

Finding the Fourth Proportional to 25,391.10, 38,061.54 and 12,040.61

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Solution

The fourth proportional to 25,391.10, 38,061.54 and 12,040.61 is: 18,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.10 : 38,061.54 = 12,040.61 : x
  2. Step 2: Convert to fraction form
    25,391.10/38,061.54 = 12,040.61/x
  3. Step 3: Cross multiply
    25,391.10x = 38,061.54 × 12,040.61
  4. Step 4: Simplify right side
    25,391.10x = 458,284,159.14
  5. Step 5: Solve for x
    x = 458,284,159.14/25,391.10
  6. Step 6: Final answer
    x = 18,049.01

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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.