Home / 26,118.51-39,177.66-9,478.51

Finding the Fourth Proportional to 26,118.51, 39,177.66 and 9,478.51

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Solution

The fourth proportional to 26,118.51, 39,177.66 and 9,478.51 is: 14,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.51 : 39,177.66 = 9,478.51 : x
  2. Step 2: Convert to fraction form
    26,118.51/39,177.66 = 9,478.51/x
  3. Step 3: Cross multiply
    26,118.51x = 39,177.66 × 9,478.51
  4. Step 4: Simplify right side
    26,118.51x = 371,345,842.09
  5. Step 5: Solve for x
    x = 371,345,842.09/26,118.51
  6. Step 6: Final answer
    x = 14,217.73

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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.