Home / 26,022.81-39,029.78-9,379.53

Finding the Fourth Proportional to 26,022.81, 39,029.78 and 9,379.53

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Solution

The fourth proportional to 26,022.81, 39,029.78 and 9,379.53 is: 14,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,022.81 : 39,029.78 = 9,379.53 : x
  2. Step 2: Convert to fraction form
    26,022.81/39,029.78 = 9,379.53/x
  3. Step 3: Cross multiply
    26,022.81x = 39,029.78 × 9,379.53
  4. Step 4: Simplify right side
    26,022.81x = 366,080,945.51
  5. Step 5: Solve for x
    x = 366,080,945.51/26,022.81
  6. Step 6: Final answer
    x = 14,067.69

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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.