Home / 17,738.33-24,478.85-9,780.68

Finding the Fourth Proportional to 17,738.33, 24,478.85 and 9,780.68

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Solution

The fourth proportional to 17,738.33, 24,478.85 and 9,780.68 is: 13,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.33 : 24,478.85 = 9,780.68 : x
  2. Step 2: Convert to fraction form
    17,738.33/24,478.85 = 9,780.68/x
  3. Step 3: Cross multiply
    17,738.33x = 24,478.85 × 9,780.68
  4. Step 4: Simplify right side
    17,738.33x = 239,419,627.32
  5. Step 5: Solve for x
    x = 239,419,627.32/17,738.33
  6. Step 6: Final answer
    x = 13,497.31

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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.