Home / 20,176.02-27,843.60-11,101.77

Finding the Fourth Proportional to 20,176.02, 27,843.60 and 11,101.77

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Solution

The fourth proportional to 20,176.02, 27,843.60 and 11,101.77 is: 15,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.02 : 27,843.60 = 11,101.77 : x
  2. Step 2: Convert to fraction form
    20,176.02/27,843.60 = 11,101.77/x
  3. Step 3: Cross multiply
    20,176.02x = 27,843.60 × 11,101.77
  4. Step 4: Simplify right side
    20,176.02x = 309,113,243.17
  5. Step 5: Solve for x
    x = 309,113,243.17/20,176.02
  6. Step 6: Final answer
    x = 15,320.82

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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.