Home / 16,022.47-22,079.78-11,537.75

Finding the Fourth Proportional to 16,022.47, 22,079.78 and 11,537.75

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Solution

The fourth proportional to 16,022.47, 22,079.78 and 11,537.75 is: 15,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,022.47 : 22,079.78 = 11,537.75 : x
  2. Step 2: Convert to fraction form
    16,022.47/22,079.78 = 11,537.75/x
  3. Step 3: Cross multiply
    16,022.47x = 22,079.78 × 11,537.75
  4. Step 4: Simplify right side
    16,022.47x = 254,750,981.70
  5. Step 5: Solve for x
    x = 254,750,981.70/16,022.47
  6. Step 6: Final answer
    x = 15,899.61

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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.