Home / 17,449.85-24,144.15-15,216.35

Finding the Fourth Proportional to 17,449.85, 24,144.15 and 15,216.35

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Solution

The fourth proportional to 17,449.85, 24,144.15 and 15,216.35 is: 21,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.85 : 24,144.15 = 15,216.35 : x
  2. Step 2: Convert to fraction form
    17,449.85/24,144.15 = 15,216.35/x
  3. Step 3: Cross multiply
    17,449.85x = 24,144.15 × 15,216.35
  4. Step 4: Simplify right side
    17,449.85x = 367,385,836.85
  5. Step 5: Solve for x
    x = 367,385,836.85/17,449.85
  6. Step 6: Final answer
    x = 21,053.81

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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.