Home / 26,118.60-39,194.70-14,440.20

Finding the Fourth Proportional to 26,118.60, 39,194.70 and 14,440.20

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Solution

The fourth proportional to 26,118.60, 39,194.70 and 14,440.20 is: 21,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.60 : 39,194.70 = 14,440.20 : x
  2. Step 2: Convert to fraction form
    26,118.60/39,194.70 = 14,440.20/x
  3. Step 3: Cross multiply
    26,118.60x = 39,194.70 × 14,440.20
  4. Step 4: Simplify right side
    26,118.60x = 565,979,306.94
  5. Step 5: Solve for x
    x = 565,979,306.94/26,118.60
  6. Step 6: Final answer
    x = 21,669.59

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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.