Home / 18,728.84-25,847.16-10,773.56

Finding the Fourth Proportional to 18,728.84, 25,847.16 and 10,773.56

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Solution

The fourth proportional to 18,728.84, 25,847.16 and 10,773.56 is: 14,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.84 : 25,847.16 = 10,773.56 : x
  2. Step 2: Convert to fraction form
    18,728.84/25,847.16 = 10,773.56/x
  3. Step 3: Cross multiply
    18,728.84x = 25,847.16 × 10,773.56
  4. Step 4: Simplify right side
    18,728.84x = 278,465,929.09
  5. Step 5: Solve for x
    x = 278,465,929.09/18,728.84
  6. Step 6: Final answer
    x = 14,868.30

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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.