Home / 18,176.97-25,083.56-10,219.94

Finding the Fourth Proportional to 18,176.97, 25,083.56 and 10,219.94

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Solution

The fourth proportional to 18,176.97, 25,083.56 and 10,219.94 is: 14,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.97 : 25,083.56 = 10,219.94 : x
  2. Step 2: Convert to fraction form
    18,176.97/25,083.56 = 10,219.94/x
  3. Step 3: Cross multiply
    18,176.97x = 25,083.56 × 10,219.94
  4. Step 4: Simplify right side
    18,176.97x = 256,352,478.19
  5. Step 5: Solve for x
    x = 256,352,478.19/18,176.97
  6. Step 6: Final answer
    x = 14,103.15

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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.