Home / 25,382.52-38,075.56-7,850.04

Finding the Fourth Proportional to 25,382.52, 38,075.56 and 7,850.04

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Solution

The fourth proportional to 25,382.52, 38,075.56 and 7,850.04 is: 11,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.52 : 38,075.56 = 7,850.04 : x
  2. Step 2: Convert to fraction form
    25,382.52/38,075.56 = 7,850.04/x
  3. Step 3: Cross multiply
    25,382.52x = 38,075.56 × 7,850.04
  4. Step 4: Simplify right side
    25,382.52x = 298,894,669.02
  5. Step 5: Solve for x
    x = 298,894,669.02/25,382.52
  6. Step 6: Final answer
    x = 11,775.61

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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.