Home / 26,418.15-39,632.42-9,778.33

Finding the Fourth Proportional to 26,418.15, 39,632.42 and 9,778.33

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Solution

The fourth proportional to 26,418.15, 39,632.42 and 9,778.33 is: 14,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.15 : 39,632.42 = 9,778.33 : x
  2. Step 2: Convert to fraction form
    26,418.15/39,632.42 = 9,778.33/x
  3. Step 3: Cross multiply
    26,418.15x = 39,632.42 × 9,778.33
  4. Step 4: Simplify right side
    26,418.15x = 387,538,881.46
  5. Step 5: Solve for x
    x = 387,538,881.46/26,418.15
  6. Step 6: Final answer
    x = 14,669.42

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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.