Home / 18,554.22-25,604.79-10,170.78

Finding the Fourth Proportional to 18,554.22, 25,604.79 and 10,170.78

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Solution

The fourth proportional to 18,554.22, 25,604.79 and 10,170.78 is: 14,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.22 : 25,604.79 = 10,170.78 : x
  2. Step 2: Convert to fraction form
    18,554.22/25,604.79 = 10,170.78/x
  3. Step 3: Cross multiply
    18,554.22x = 25,604.79 × 10,170.78
  4. Step 4: Simplify right side
    18,554.22x = 260,420,686.04
  5. Step 5: Solve for x
    x = 260,420,686.04/18,554.22
  6. Step 6: Final answer
    x = 14,035.66

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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.