Home / 17,740.32-24,481.60-9,782.68

Finding the Fourth Proportional to 17,740.32, 24,481.60 and 9,782.68

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Solution

The fourth proportional to 17,740.32, 24,481.60 and 9,782.68 is: 13,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.32 : 24,481.60 = 9,782.68 : x
  2. Step 2: Convert to fraction form
    17,740.32/24,481.60 = 9,782.68/x
  3. Step 3: Cross multiply
    17,740.32x = 24,481.60 × 9,782.68
  4. Step 4: Simplify right side
    17,740.32x = 239,495,658.69
  5. Step 5: Solve for x
    x = 239,495,658.69/17,740.32
  6. Step 6: Final answer
    x = 13,500.08

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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.