Home / 18,015.72-24,863.94-10,940.28

Finding the Fourth Proportional to 18,015.72, 24,863.94 and 10,940.28

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Solution

The fourth proportional to 18,015.72, 24,863.94 and 10,940.28 is: 15,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.72 : 24,863.94 = 10,940.28 : x
  2. Step 2: Convert to fraction form
    18,015.72/24,863.94 = 10,940.28/x
  3. Step 3: Cross multiply
    18,015.72x = 24,863.94 × 10,940.28
  4. Step 4: Simplify right side
    18,015.72x = 272,018,465.50
  5. Step 5: Solve for x
    x = 272,018,465.50/18,015.72
  6. Step 6: Final answer
    x = 15,098.95

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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.