Home / 15,447.36-23,115.68-13,374.52

Finding the Fourth Proportional to 15,447.36, 23,115.68 and 13,374.52

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Solution

The fourth proportional to 15,447.36, 23,115.68 and 13,374.52 is: 20,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.36 : 23,115.68 = 13,374.52 : x
  2. Step 2: Convert to fraction form
    15,447.36/23,115.68 = 13,374.52/x
  3. Step 3: Cross multiply
    15,447.36x = 23,115.68 × 13,374.52
  4. Step 4: Simplify right side
    15,447.36x = 309,161,186.80
  5. Step 5: Solve for x
    x = 309,161,186.80/15,447.36
  6. Step 6: Final answer
    x = 20,013.85

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1.5x scale

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.