Home / 22,121.56-33,160.26-12,265.24

Finding the Fourth Proportional to 22,121.56, 33,160.26 and 12,265.24

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Solution

The fourth proportional to 22,121.56, 33,160.26 and 12,265.24 is: 18,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.56 : 33,160.26 = 12,265.24 : x
  2. Step 2: Convert to fraction form
    22,121.56/33,160.26 = 12,265.24/x
  3. Step 3: Cross multiply
    22,121.56x = 33,160.26 × 12,265.24
  4. Step 4: Simplify right side
    22,121.56x = 406,718,547.36
  5. Step 5: Solve for x
    x = 406,718,547.36/22,121.56
  6. Step 6: Final answer
    x = 18,385.62

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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.