Home / 19,716.87-29,571.30-7,232.65

Finding the Fourth Proportional to 19,716.87, 29,571.30 and 7,232.65

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Solution

The fourth proportional to 19,716.87, 29,571.30 and 7,232.65 is: 10,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.87 : 29,571.30 = 7,232.65 : x
  2. Step 2: Convert to fraction form
    19,716.87/29,571.30 = 7,232.65/x
  3. Step 3: Cross multiply
    19,716.87x = 29,571.30 × 7,232.65
  4. Step 4: Simplify right side
    19,716.87x = 213,878,862.95
  5. Step 5: Solve for x
    x = 213,878,862.95/19,716.87
  6. Step 6: Final answer
    x = 10,847.51

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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.