Home / 26,270.33-39,411.77-8,740.31

Finding the Fourth Proportional to 26,270.33, 39,411.77 and 8,740.31

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Solution

The fourth proportional to 26,270.33, 39,411.77 and 8,740.31 is: 13,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.33 : 39,411.77 = 8,740.31 : x
  2. Step 2: Convert to fraction form
    26,270.33/39,411.77 = 8,740.31/x
  3. Step 3: Cross multiply
    26,270.33x = 39,411.77 × 8,740.31
  4. Step 4: Simplify right side
    26,270.33x = 344,470,846.69
  5. Step 5: Solve for x
    x = 344,470,846.69/26,270.33
  6. Step 6: Final answer
    x = 13,112.55

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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.