Home / 17,739.64-24,480.39-9,782.59

Finding the Fourth Proportional to 17,739.64, 24,480.39 and 9,782.59

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Solution

The fourth proportional to 17,739.64, 24,480.39 and 9,782.59 is: 13,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.64 : 24,480.39 = 9,782.59 : x
  2. Step 2: Convert to fraction form
    17,739.64/24,480.39 = 9,782.59/x
  3. Step 3: Cross multiply
    17,739.64x = 24,480.39 × 9,782.59
  4. Step 4: Simplify right side
    17,739.64x = 239,481,618.41
  5. Step 5: Solve for x
    x = 239,481,618.41/17,739.64
  6. Step 6: Final answer
    x = 13,499.80

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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.