Home / 18,436.38-25,441.38-10,479.33

Finding the Fourth Proportional to 18,436.38, 25,441.38 and 10,479.33

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Solution

The fourth proportional to 18,436.38, 25,441.38 and 10,479.33 is: 14,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.38 : 25,441.38 = 10,479.33 : x
  2. Step 2: Convert to fraction form
    18,436.38/25,441.38 = 10,479.33/x
  3. Step 3: Cross multiply
    18,436.38x = 25,441.38 × 10,479.33
  4. Step 4: Simplify right side
    18,436.38x = 266,608,616.68
  5. Step 5: Solve for x
    x = 266,608,616.68/18,436.38
  6. Step 6: Final answer
    x = 14,461.01

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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.