Home / 25,964.47-38,945.15-7,245.57

Finding the Fourth Proportional to 25,964.47, 38,945.15 and 7,245.57

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Solution

The fourth proportional to 25,964.47, 38,945.15 and 7,245.57 is: 10,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.47 : 38,945.15 = 7,245.57 : x
  2. Step 2: Convert to fraction form
    25,964.47/38,945.15 = 7,245.57/x
  3. Step 3: Cross multiply
    25,964.47x = 38,945.15 × 7,245.57
  4. Step 4: Simplify right side
    25,964.47x = 282,179,810.49
  5. Step 5: Solve for x
    x = 282,179,810.49/25,964.47
  6. Step 6: Final answer
    x = 10,867.92

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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.