Home / 26,104.50-39,123.90-18,723.36

Finding the Fourth Proportional to 26,104.50, 39,123.90 and 18,723.36

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Solution

The fourth proportional to 26,104.50, 39,123.90 and 18,723.36 is: 28,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,104.50 : 39,123.90 = 18,723.36 : x
  2. Step 2: Convert to fraction form
    26,104.50/39,123.90 = 18,723.36/x
  3. Step 3: Cross multiply
    26,104.50x = 39,123.90 × 18,723.36
  4. Step 4: Simplify right side
    26,104.50x = 732,530,864.30
  5. Step 5: Solve for x
    x = 732,530,864.30/26,104.50
  6. Step 6: Final answer
    x = 28,061.48

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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.