Home / 25,562.55-38,339.19-7,788.95

Finding the Fourth Proportional to 25,562.55, 38,339.19 and 7,788.95

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Solution

The fourth proportional to 25,562.55, 38,339.19 and 7,788.95 is: 11,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,562.55 : 38,339.19 = 7,788.95 : x
  2. Step 2: Convert to fraction form
    25,562.55/38,339.19 = 7,788.95/x
  3. Step 3: Cross multiply
    25,562.55x = 38,339.19 × 7,788.95
  4. Step 4: Simplify right side
    25,562.55x = 298,622,033.95
  5. Step 5: Solve for x
    x = 298,622,033.95/25,562.55
  6. Step 6: Final answer
    x = 11,682.01

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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.