Home / 17,739.47-24,459.67-13,255.31

Finding the Fourth Proportional to 17,739.47, 24,459.67 and 13,255.31

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Solution

The fourth proportional to 17,739.47, 24,459.67 and 13,255.31 is: 18,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.47 : 24,459.67 = 13,255.31 : x
  2. Step 2: Convert to fraction form
    17,739.47/24,459.67 = 13,255.31/x
  3. Step 3: Cross multiply
    17,739.47x = 24,459.67 × 13,255.31
  4. Step 4: Simplify right side
    17,739.47x = 324,220,508.35
  5. Step 5: Solve for x
    x = 324,220,508.35/17,739.47
  6. Step 6: Final answer
    x = 18,276.79

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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.