Home / 15,727.80-23,595.12-5,198.28

Finding the Fourth Proportional to 15,727.80, 23,595.12 and 5,198.28

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Solution

The fourth proportional to 15,727.80, 23,595.12 and 5,198.28 is: 7,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.80 : 23,595.12 = 5,198.28 : x
  2. Step 2: Convert to fraction form
    15,727.80/23,595.12 = 5,198.28/x
  3. Step 3: Cross multiply
    15,727.80x = 23,595.12 × 5,198.28
  4. Step 4: Simplify right side
    15,727.80x = 122,654,040.39
  5. Step 5: Solve for x
    x = 122,654,040.39/15,727.80
  6. Step 6: Final answer
    x = 7,798.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.