Home / 20,190.01-30,340.36-19,043.61

Finding the Fourth Proportional to 20,190.01, 30,340.36 and 19,043.61

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Solution

The fourth proportional to 20,190.01, 30,340.36 and 19,043.61 is: 28,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.01 : 30,340.36 = 19,043.61 : x
  2. Step 2: Convert to fraction form
    20,190.01/30,340.36 = 19,043.61/x
  3. Step 3: Cross multiply
    20,190.01x = 30,340.36 × 19,043.61
  4. Step 4: Simplify right side
    20,190.01x = 577,789,983.10
  5. Step 5: Solve for x
    x = 577,789,983.10/20,190.01
  6. Step 6: Final answer
    x = 28,617.62

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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.