Home / 17,351.12-23,984.90-15,481.23

Finding the Fourth Proportional to 17,351.12, 23,984.90 and 15,481.23

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Solution

The fourth proportional to 17,351.12, 23,984.90 and 15,481.23 is: 21,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.12 : 23,984.90 = 15,481.23 : x
  2. Step 2: Convert to fraction form
    17,351.12/23,984.90 = 15,481.23/x
  3. Step 3: Cross multiply
    17,351.12x = 23,984.90 × 15,481.23
  4. Step 4: Simplify right side
    17,351.12x = 371,315,753.43
  5. Step 5: Solve for x
    x = 371,315,753.43/17,351.12
  6. Step 6: Final answer
    x = 21,400.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.