Home / 20,006.16-27,608.04-11,053.20

Finding the Fourth Proportional to 20,006.16, 27,608.04 and 11,053.20

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Solution

The fourth proportional to 20,006.16, 27,608.04 and 11,053.20 is: 15,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.16 : 27,608.04 = 11,053.20 : x
  2. Step 2: Convert to fraction form
    20,006.16/27,608.04 = 11,053.20/x
  3. Step 3: Cross multiply
    20,006.16x = 27,608.04 × 11,053.20
  4. Step 4: Simplify right side
    20,006.16x = 305,157,187.73
  5. Step 5: Solve for x
    x = 305,157,187.73/20,006.16
  6. Step 6: Final answer
    x = 15,253.16

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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.