Home / 18,382.59-25,363.55-10,828.33

Finding the Fourth Proportional to 18,382.59, 25,363.55 and 10,828.33

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Solution

The fourth proportional to 18,382.59, 25,363.55 and 10,828.33 is: 14,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.59 : 25,363.55 = 10,828.33 : x
  2. Step 2: Convert to fraction form
    18,382.59/25,363.55 = 10,828.33/x
  3. Step 3: Cross multiply
    18,382.59x = 25,363.55 × 10,828.33
  4. Step 4: Simplify right side
    18,382.59x = 274,644,853.03
  5. Step 5: Solve for x
    x = 274,644,853.03/18,382.59
  6. Step 6: Final answer
    x = 14,940.49

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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.