Home / 18,699.66-25,805.45-10,201.61

Finding the Fourth Proportional to 18,699.66, 25,805.45 and 10,201.61

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Solution

The fourth proportional to 18,699.66, 25,805.45 and 10,201.61 is: 14,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.66 : 25,805.45 = 10,201.61 : x
  2. Step 2: Convert to fraction form
    18,699.66/25,805.45 = 10,201.61/x
  3. Step 3: Cross multiply
    18,699.66x = 25,805.45 × 10,201.61
  4. Step 4: Simplify right side
    18,699.66x = 263,257,226.79
  5. Step 5: Solve for x
    x = 263,257,226.79/18,699.66
  6. Step 6: Final answer
    x = 14,078.18

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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.