Home / 18,734.68-25,850.10-10,777.24

Finding the Fourth Proportional to 18,734.68, 25,850.10 and 10,777.24

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Solution

The fourth proportional to 18,734.68, 25,850.10 and 10,777.24 is: 14,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.68 : 25,850.10 = 10,777.24 : x
  2. Step 2: Convert to fraction form
    18,734.68/25,850.10 = 10,777.24/x
  3. Step 3: Cross multiply
    18,734.68x = 25,850.10 × 10,777.24
  4. Step 4: Simplify right side
    18,734.68x = 278,592,731.72
  5. Step 5: Solve for x
    x = 278,592,731.72/18,734.68
  6. Step 6: Final answer
    x = 14,870.43

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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.