Home / 16,128.06-22,265.97-10,749.06

Finding the Fourth Proportional to 16,128.06, 22,265.97 and 10,749.06

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Solution

The fourth proportional to 16,128.06, 22,265.97 and 10,749.06 is: 14,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.06 : 22,265.97 = 10,749.06 : x
  2. Step 2: Convert to fraction form
    16,128.06/22,265.97 = 10,749.06/x
  3. Step 3: Cross multiply
    16,128.06x = 22,265.97 × 10,749.06
  4. Step 4: Simplify right side
    16,128.06x = 239,338,247.49
  5. Step 5: Solve for x
    x = 239,338,247.49/16,128.06
  6. Step 6: Final answer
    x = 14,839.87

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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.