Home / 26,548.20-39,764.70-21,940.20

Finding the Fourth Proportional to 26,548.20, 39,764.70 and 21,940.20

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Solution

The fourth proportional to 26,548.20, 39,764.70 and 21,940.20 is: 32,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.20 : 39,764.70 = 21,940.20 : x
  2. Step 2: Convert to fraction form
    26,548.20/39,764.70 = 21,940.20/x
  3. Step 3: Cross multiply
    26,548.20x = 39,764.70 × 21,940.20
  4. Step 4: Simplify right side
    26,548.20x = 872,445,470.94
  5. Step 5: Solve for x
    x = 872,445,470.94/26,548.20
  6. Step 6: Final answer
    x = 32,862.70

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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.