Home / 16,028.75-22,118.97-8,955.02

Finding the Fourth Proportional to 16,028.75, 22,118.97 and 8,955.02

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Solution

The fourth proportional to 16,028.75, 22,118.97 and 8,955.02 is: 12,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.75 : 22,118.97 = 8,955.02 : x
  2. Step 2: Convert to fraction form
    16,028.75/22,118.97 = 8,955.02/x
  3. Step 3: Cross multiply
    16,028.75x = 22,118.97 × 8,955.02
  4. Step 4: Simplify right side
    16,028.75x = 198,075,907.61
  5. Step 5: Solve for x
    x = 198,075,907.61/16,028.75
  6. Step 6: Final answer
    x = 12,357.54

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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.