Home / 17,734.78-24,475.46-9,778.56

Finding the Fourth Proportional to 17,734.78, 24,475.46 and 9,778.56

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Solution

The fourth proportional to 17,734.78, 24,475.46 and 9,778.56 is: 13,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,734.78 : 24,475.46 = 9,778.56 : x
  2. Step 2: Convert to fraction form
    17,734.78/24,475.46 = 9,778.56/x
  3. Step 3: Cross multiply
    17,734.78x = 24,475.46 × 9,778.56
  4. Step 4: Simplify right side
    17,734.78x = 239,334,754.14
  5. Step 5: Solve for x
    x = 239,334,754.14/17,734.78
  6. Step 6: Final answer
    x = 13,495.22

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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.