Home / 25,756.58-38,652.19-9,116.55

Finding the Fourth Proportional to 25,756.58, 38,652.19 and 9,116.55

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Solution

The fourth proportional to 25,756.58, 38,652.19 and 9,116.55 is: 13,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.58 : 38,652.19 = 9,116.55 : x
  2. Step 2: Convert to fraction form
    25,756.58/38,652.19 = 9,116.55/x
  3. Step 3: Cross multiply
    25,756.58x = 38,652.19 × 9,116.55
  4. Step 4: Simplify right side
    25,756.58x = 352,374,599.95
  5. Step 5: Solve for x
    x = 352,374,599.95/25,756.58
  6. Step 6: Final answer
    x = 13,680.95

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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.