Home / 17,200.80-23,739.30-10,127.88

Finding the Fourth Proportional to 17,200.80, 23,739.30 and 10,127.88

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Solution

The fourth proportional to 17,200.80, 23,739.30 and 10,127.88 is: 13,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.80 : 23,739.30 = 10,127.88 : x
  2. Step 2: Convert to fraction form
    17,200.80/23,739.30 = 10,127.88/x
  3. Step 3: Cross multiply
    17,200.80x = 23,739.30 × 10,127.88
  4. Step 4: Simplify right side
    17,200.80x = 240,428,781.68
  5. Step 5: Solve for x
    x = 240,428,781.68/17,200.80
  6. Step 6: Final answer
    x = 13,977.77

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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.