Home / 17,736.20-24,475.93-9,778.55

Finding the Fourth Proportional to 17,736.20, 24,475.93 and 9,778.55

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Solution

The fourth proportional to 17,736.20, 24,475.93 and 9,778.55 is: 13,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.20 : 24,475.93 = 9,778.55 : x
  2. Step 2: Convert to fraction form
    17,736.20/24,475.93 = 9,778.55/x
  3. Step 3: Cross multiply
    17,736.20x = 24,475.93 × 9,778.55
  4. Step 4: Simplify right side
    17,736.20x = 239,339,105.30
  5. Step 5: Solve for x
    x = 239,339,105.30/17,736.20
  6. Step 6: Final answer
    x = 13,494.39

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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.