Home / 20,023.59-27,633.77-11,070.90

Finding the Fourth Proportional to 20,023.59, 27,633.77 and 11,070.90

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Solution

The fourth proportional to 20,023.59, 27,633.77 and 11,070.90 is: 15,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.59 : 27,633.77 = 11,070.90 : x
  2. Step 2: Convert to fraction form
    20,023.59/27,633.77 = 11,070.90/x
  3. Step 3: Cross multiply
    20,023.59x = 27,633.77 × 11,070.90
  4. Step 4: Simplify right side
    20,023.59x = 305,930,648.94
  5. Step 5: Solve for x
    x = 305,930,648.94/20,023.59
  6. Step 6: Final answer
    x = 15,278.51

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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.