Home / 26,320.32-39,499.92-19,759.32

Finding the Fourth Proportional to 26,320.32, 39,499.92 and 19,759.32

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Solution

The fourth proportional to 26,320.32, 39,499.92 and 19,759.32 is: 29,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.32 : 39,499.92 = 19,759.32 : x
  2. Step 2: Convert to fraction form
    26,320.32/39,499.92 = 19,759.32/x
  3. Step 3: Cross multiply
    26,320.32x = 39,499.92 × 19,759.32
  4. Step 4: Simplify right side
    26,320.32x = 780,491,559.25
  5. Step 5: Solve for x
    x = 780,491,559.25/26,320.32
  6. Step 6: Final answer
    x = 29,653.57

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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.