Home / 16,189.47-22,351.14-11,708.55

Finding the Fourth Proportional to 16,189.47, 22,351.14 and 11,708.55

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Solution

The fourth proportional to 16,189.47, 22,351.14 and 11,708.55 is: 16,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.47 : 22,351.14 = 11,708.55 : x
  2. Step 2: Convert to fraction form
    16,189.47/22,351.14 = 11,708.55/x
  3. Step 3: Cross multiply
    16,189.47x = 22,351.14 × 11,708.55
  4. Step 4: Simplify right side
    16,189.47x = 261,699,440.25
  5. Step 5: Solve for x
    x = 261,699,440.25/16,189.47
  6. Step 6: Final answer
    x = 16,164.79

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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.