Home / 26,503.23-39,754.81-6,781.79

Finding the Fourth Proportional to 26,503.23, 39,754.81 and 6,781.79

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Solution

The fourth proportional to 26,503.23, 39,754.81 and 6,781.79 is: 10,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.23 : 39,754.81 = 6,781.79 : x
  2. Step 2: Convert to fraction form
    26,503.23/39,754.81 = 6,781.79/x
  3. Step 3: Cross multiply
    26,503.23x = 39,754.81 × 6,781.79
  4. Step 4: Simplify right side
    26,503.23x = 269,608,772.91
  5. Step 5: Solve for x
    x = 269,608,772.91/26,503.23
  6. Step 6: Final answer
    x = 10,172.68

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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.