Home / 25,891.66-35,736.39-18,330.13

Finding the Fourth Proportional to 25,891.66, 35,736.39 and 18,330.13

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Solution

The fourth proportional to 25,891.66, 35,736.39 and 18,330.13 is: 25,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.66 : 35,736.39 = 18,330.13 : x
  2. Step 2: Convert to fraction form
    25,891.66/35,736.39 = 18,330.13/x
  3. Step 3: Cross multiply
    25,891.66x = 35,736.39 × 18,330.13
  4. Step 4: Simplify right side
    25,891.66x = 655,052,674.43
  5. Step 5: Solve for x
    x = 655,052,674.43/25,891.66
  6. Step 6: Final answer
    x = 25,299.76

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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.