Home / 15,845.40-23,766.30-4,159.53

Finding the Fourth Proportional to 15,845.40, 23,766.30 and 4,159.53

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Solution

The fourth proportional to 15,845.40, 23,766.30 and 4,159.53 is: 6,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.40 : 23,766.30 = 4,159.53 : x
  2. Step 2: Convert to fraction form
    15,845.40/23,766.30 = 4,159.53/x
  3. Step 3: Cross multiply
    15,845.40x = 23,766.30 × 4,159.53
  4. Step 4: Simplify right side
    15,845.40x = 98,856,637.84
  5. Step 5: Solve for x
    x = 98,856,637.84/15,845.40
  6. Step 6: Final answer
    x = 6,238.82

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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.