Home / 17,739.24-24,479.70-9,781.32

Finding the Fourth Proportional to 17,739.24, 24,479.70 and 9,781.32

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Solution

The fourth proportional to 17,739.24, 24,479.70 and 9,781.32 is: 13,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.24 : 24,479.70 = 9,781.32 : x
  2. Step 2: Convert to fraction form
    17,739.24/24,479.70 = 9,781.32/x
  3. Step 3: Cross multiply
    17,739.24x = 24,479.70 × 9,781.32
  4. Step 4: Simplify right side
    17,739.24x = 239,443,779.20
  5. Step 5: Solve for x
    x = 239,443,779.20/17,739.24
  6. Step 6: Final answer
    x = 13,497.97

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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.