Home / 18,480.32-25,503.38-10,414.05

Finding the Fourth Proportional to 18,480.32, 25,503.38 and 10,414.05

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Solution

The fourth proportional to 18,480.32, 25,503.38 and 10,414.05 is: 14,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.32 : 25,503.38 = 10,414.05 : x
  2. Step 2: Convert to fraction form
    18,480.32/25,503.38 = 10,414.05/x
  3. Step 3: Cross multiply
    18,480.32x = 25,503.38 × 10,414.05
  4. Step 4: Simplify right side
    18,480.32x = 265,593,422.42
  5. Step 5: Solve for x
    x = 265,593,422.42/18,480.32
  6. Step 6: Final answer
    x = 14,371.69

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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.