Home / 17,740.30-24,481.45-9,782.35

Finding the Fourth Proportional to 17,740.30, 24,481.45 and 9,782.35

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Solution

The fourth proportional to 17,740.30, 24,481.45 and 9,782.35 is: 13,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.30 : 24,481.45 = 9,782.35 : x
  2. Step 2: Convert to fraction form
    17,740.30/24,481.45 = 9,782.35/x
  3. Step 3: Cross multiply
    17,740.30x = 24,481.45 × 9,782.35
  4. Step 4: Simplify right side
    17,740.30x = 239,486,112.41
  5. Step 5: Solve for x
    x = 239,486,112.41/17,740.30
  6. Step 6: Final answer
    x = 13,499.55

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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.