Home / 18,382.68-25,366.82-10,426.19

Finding the Fourth Proportional to 18,382.68, 25,366.82 and 10,426.19

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Solution

The fourth proportional to 18,382.68, 25,366.82 and 10,426.19 is: 14,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.68 : 25,366.82 = 10,426.19 : x
  2. Step 2: Convert to fraction form
    18,382.68/25,366.82 = 10,426.19/x
  3. Step 3: Cross multiply
    18,382.68x = 25,366.82 × 10,426.19
  4. Step 4: Simplify right side
    18,382.68x = 264,479,106.05
  5. Step 5: Solve for x
    x = 264,479,106.05/18,382.68
  6. Step 6: Final answer
    x = 14,387.41

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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.