Home / 18,175.04-25,075.68-11,891.60

Finding the Fourth Proportional to 18,175.04, 25,075.68 and 11,891.60

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Solution

The fourth proportional to 18,175.04, 25,075.68 and 11,891.60 is: 16,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.04 : 25,075.68 = 11,891.60 : x
  2. Step 2: Convert to fraction form
    18,175.04/25,075.68 = 11,891.60/x
  3. Step 3: Cross multiply
    18,175.04x = 25,075.68 × 11,891.60
  4. Step 4: Simplify right side
    18,175.04x = 298,189,956.29
  5. Step 5: Solve for x
    x = 298,189,956.29/18,175.04
  6. Step 6: Final answer
    x = 16,406.56

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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.