Home / 25,651.68-38,499.12-10,080.24

Finding the Fourth Proportional to 25,651.68, 38,499.12 and 10,080.24

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Solution

The fourth proportional to 25,651.68, 38,499.12 and 10,080.24 is: 15,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.68 : 38,499.12 = 10,080.24 : x
  2. Step 2: Convert to fraction form
    25,651.68/38,499.12 = 10,080.24/x
  3. Step 3: Cross multiply
    25,651.68x = 38,499.12 × 10,080.24
  4. Step 4: Simplify right side
    25,651.68x = 388,080,369.39
  5. Step 5: Solve for x
    x = 388,080,369.39/25,651.68
  6. Step 6: Final answer
    x = 15,128.85

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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.