Home / 22,106.16-33,124.68-18,805.68

Finding the Fourth Proportional to 22,106.16, 33,124.68 and 18,805.68

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Solution

The fourth proportional to 22,106.16, 33,124.68 and 18,805.68 is: 28,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.16 : 33,124.68 = 18,805.68 : x
  2. Step 2: Convert to fraction form
    22,106.16/33,124.68 = 18,805.68/x
  3. Step 3: Cross multiply
    22,106.16x = 33,124.68 × 18,805.68
  4. Step 4: Simplify right side
    22,106.16x = 622,932,132.18
  5. Step 5: Solve for x
    x = 622,932,132.18/22,106.16
  6. Step 6: Final answer
    x = 28,179.12

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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.