Home / 22,798.20-34,139.70-18,190.20

Finding the Fourth Proportional to 22,798.20, 34,139.70 and 18,190.20

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Solution

The fourth proportional to 22,798.20, 34,139.70 and 18,190.20 is: 27,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.20 : 34,139.70 = 18,190.20 : x
  2. Step 2: Convert to fraction form
    22,798.20/34,139.70 = 18,190.20/x
  3. Step 3: Cross multiply
    22,798.20x = 34,139.70 × 18,190.20
  4. Step 4: Simplify right side
    22,798.20x = 621,007,970.94
  5. Step 5: Solve for x
    x = 621,007,970.94/22,798.20
  6. Step 6: Final answer
    x = 27,239.34

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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.