Home / 26,161.98-36,065.40-19,863.42

Finding the Fourth Proportional to 26,161.98, 36,065.40 and 19,863.42

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Solution

The fourth proportional to 26,161.98, 36,065.40 and 19,863.42 is: 27,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.98 : 36,065.40 = 19,863.42 : x
  2. Step 2: Convert to fraction form
    26,161.98/36,065.40 = 19,863.42/x
  3. Step 3: Cross multiply
    26,161.98x = 36,065.40 × 19,863.42
  4. Step 4: Simplify right side
    26,161.98x = 716,382,187.67
  5. Step 5: Solve for x
    x = 716,382,187.67/26,161.98
  6. Step 6: Final answer
    x = 27,382.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.