Home / 18,740.85-25,863.32-10,674.66

Finding the Fourth Proportional to 18,740.85, 25,863.32 and 10,674.66

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Solution

The fourth proportional to 18,740.85, 25,863.32 and 10,674.66 is: 14,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.85 : 25,863.32 = 10,674.66 : x
  2. Step 2: Convert to fraction form
    18,740.85/25,863.32 = 10,674.66/x
  3. Step 3: Cross multiply
    18,740.85x = 25,863.32 × 10,674.66
  4. Step 4: Simplify right side
    18,740.85x = 276,082,147.47
  5. Step 5: Solve for x
    x = 276,082,147.47/18,740.85
  6. Step 6: Final answer
    x = 14,731.57

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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.