Home / 20,276.55-30,414.83-19,066.95

Finding the Fourth Proportional to 20,276.55, 30,414.83 and 19,066.95

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Solution

The fourth proportional to 20,276.55, 30,414.83 and 19,066.95 is: 28,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.55 : 30,414.83 = 19,066.95 : x
  2. Step 2: Convert to fraction form
    20,276.55/30,414.83 = 19,066.95/x
  3. Step 3: Cross multiply
    20,276.55x = 30,414.83 × 19,066.95
  4. Step 4: Simplify right side
    20,276.55x = 579,917,947.53
  5. Step 5: Solve for x
    x = 579,917,947.53/20,276.55
  6. Step 6: Final answer
    x = 28,600.43

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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.