Home / 15,447.95-23,171.92-13,361.75

Finding the Fourth Proportional to 15,447.95, 23,171.92 and 13,361.75

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Solution

The fourth proportional to 15,447.95, 23,171.92 and 13,361.75 is: 20,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.95 : 23,171.92 = 13,361.75 : x
  2. Step 2: Convert to fraction form
    15,447.95/23,171.92 = 13,361.75/x
  3. Step 3: Cross multiply
    15,447.95x = 23,171.92 × 13,361.75
  4. Step 4: Simplify right side
    15,447.95x = 309,617,402.06
  5. Step 5: Solve for x
    x = 309,617,402.06/15,447.95
  6. Step 6: Final answer
    x = 20,042.62

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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.