Home / 26,649.72-39,936.42-19,574.19

Finding the Fourth Proportional to 26,649.72, 39,936.42 and 19,574.19

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Solution

The fourth proportional to 26,649.72, 39,936.42 and 19,574.19 is: 29,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.72 : 39,936.42 = 19,574.19 : x
  2. Step 2: Convert to fraction form
    26,649.72/39,936.42 = 19,574.19/x
  3. Step 3: Cross multiply
    26,649.72x = 39,936.42 × 19,574.19
  4. Step 4: Simplify right side
    26,649.72x = 781,723,073.00
  5. Step 5: Solve for x
    x = 781,723,073.00/26,649.72
  6. Step 6: Final answer
    x = 29,333.26

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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.