Home / 18,161.91-25,065.78-10,204.16

Finding the Fourth Proportional to 18,161.91, 25,065.78 and 10,204.16

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Solution

The fourth proportional to 18,161.91, 25,065.78 and 10,204.16 is: 14,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.91 : 25,065.78 = 10,204.16 : x
  2. Step 2: Convert to fraction form
    18,161.91/25,065.78 = 10,204.16/x
  3. Step 3: Cross multiply
    18,161.91x = 25,065.78 × 10,204.16
  4. Step 4: Simplify right side
    18,161.91x = 255,775,104.32
  5. Step 5: Solve for x
    x = 255,775,104.32/18,161.91
  6. Step 6: Final answer
    x = 14,083.05

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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.