Home / 15,447.54-23,115.96-13,374.69

Finding the Fourth Proportional to 15,447.54, 23,115.96 and 13,374.69

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Solution

The fourth proportional to 15,447.54, 23,115.96 and 13,374.69 is: 20,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.54 : 23,115.96 = 13,374.69 : x
  2. Step 2: Convert to fraction form
    15,447.54/23,115.96 = 13,374.69/x
  3. Step 3: Cross multiply
    15,447.54x = 23,115.96 × 13,374.69
  4. Step 4: Simplify right side
    15,447.54x = 309,168,799.05
  5. Step 5: Solve for x
    x = 309,168,799.05/15,447.54
  6. Step 6: Final answer
    x = 20,014.11

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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.