Home / 15,446.99-23,115.12-13,374.15

Finding the Fourth Proportional to 15,446.99, 23,115.12 and 13,374.15

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Solution

The fourth proportional to 15,446.99, 23,115.12 and 13,374.15 is: 20,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.99 : 23,115.12 = 13,374.15 : x
  2. Step 2: Convert to fraction form
    15,446.99/23,115.12 = 13,374.15/x
  3. Step 3: Cross multiply
    15,446.99x = 23,115.12 × 13,374.15
  4. Step 4: Simplify right side
    15,446.99x = 309,145,020.54
  5. Step 5: Solve for x
    x = 309,145,020.54/15,446.99
  6. Step 6: Final answer
    x = 20,013.29

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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.