Home / 15,943.60-23,915.40-4,849.30

Finding the Fourth Proportional to 15,943.60, 23,915.40 and 4,849.30

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Solution

The fourth proportional to 15,943.60, 23,915.40 and 4,849.30 is: 7,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.60 : 23,915.40 = 4,849.30 : x
  2. Step 2: Convert to fraction form
    15,943.60/23,915.40 = 4,849.30/x
  3. Step 3: Cross multiply
    15,943.60x = 23,915.40 × 4,849.30
  4. Step 4: Simplify right side
    15,943.60x = 115,972,949.22
  5. Step 5: Solve for x
    x = 115,972,949.22/15,943.60
  6. Step 6: Final answer
    x = 7,273.95

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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.