Home / 16,852.30-25,278.45-13,571.80

Finding the Fourth Proportional to 16,852.30, 25,278.45 and 13,571.80

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Solution

The fourth proportional to 16,852.30, 25,278.45 and 13,571.80 is: 20,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.30 : 25,278.45 = 13,571.80 : x
  2. Step 2: Convert to fraction form
    16,852.30/25,278.45 = 13,571.80/x
  3. Step 3: Cross multiply
    16,852.30x = 25,278.45 × 13,571.80
  4. Step 4: Simplify right side
    16,852.30x = 343,074,067.71
  5. Step 5: Solve for x
    x = 343,074,067.71/16,852.30
  6. Step 6: Final answer
    x = 20,357.70

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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.