Home / 20,253.11-27,949.22-11,300.63

Finding the Fourth Proportional to 20,253.11, 27,949.22 and 11,300.63

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Solution

The fourth proportional to 20,253.11, 27,949.22 and 11,300.63 is: 15,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.11 : 27,949.22 = 11,300.63 : x
  2. Step 2: Convert to fraction form
    20,253.11/27,949.22 = 11,300.63/x
  3. Step 3: Cross multiply
    20,253.11x = 27,949.22 × 11,300.63
  4. Step 4: Simplify right side
    20,253.11x = 315,843,597.76
  5. Step 5: Solve for x
    x = 315,843,597.76/20,253.11
  6. Step 6: Final answer
    x = 15,594.82

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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.