Home / 25,903.72-35,747.19-15,294.04

Finding the Fourth Proportional to 25,903.72, 35,747.19 and 15,294.04

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Solution

The fourth proportional to 25,903.72, 35,747.19 and 15,294.04 is: 21,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.72 : 35,747.19 = 15,294.04 : x
  2. Step 2: Convert to fraction form
    25,903.72/35,747.19 = 15,294.04/x
  3. Step 3: Cross multiply
    25,903.72x = 35,747.19 × 15,294.04
  4. Step 4: Simplify right side
    25,903.72x = 546,718,953.75
  5. Step 5: Solve for x
    x = 546,718,953.75/25,903.72
  6. Step 6: Final answer
    x = 21,105.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.