Home / 25,378.92-38,068.38-7,848.90

Finding the Fourth Proportional to 25,378.92, 38,068.38 and 7,848.90

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Solution

The fourth proportional to 25,378.92, 38,068.38 and 7,848.90 is: 11,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.92 : 38,068.38 = 7,848.90 : x
  2. Step 2: Convert to fraction form
    25,378.92/38,068.38 = 7,848.90/x
  3. Step 3: Cross multiply
    25,378.92x = 38,068.38 × 7,848.90
  4. Step 4: Simplify right side
    25,378.92x = 298,794,907.78
  5. Step 5: Solve for x
    x = 298,794,907.78/25,378.92
  6. Step 6: Final answer
    x = 11,773.35

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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.