Home / 18,176.18-25,083.10-10,218.42

Finding the Fourth Proportional to 18,176.18, 25,083.10 and 10,218.42

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Solution

The fourth proportional to 18,176.18, 25,083.10 and 10,218.42 is: 14,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.18 : 25,083.10 = 10,218.42 : x
  2. Step 2: Convert to fraction form
    18,176.18/25,083.10 = 10,218.42/x
  3. Step 3: Cross multiply
    18,176.18x = 25,083.10 × 10,218.42
  4. Step 4: Simplify right side
    18,176.18x = 256,309,650.70
  5. Step 5: Solve for x
    x = 256,309,650.70/18,176.18
  6. Step 6: Final answer
    x = 14,101.40

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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.