Home / 18,944.78-28,357.16-10,599.57

Finding the Fourth Proportional to 18,944.78, 28,357.16 and 10,599.57

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Solution

The fourth proportional to 18,944.78, 28,357.16 and 10,599.57 is: 15,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.78 : 28,357.16 = 10,599.57 : x
  2. Step 2: Convert to fraction form
    18,944.78/28,357.16 = 10,599.57/x
  3. Step 3: Cross multiply
    18,944.78x = 28,357.16 × 10,599.57
  4. Step 4: Simplify right side
    18,944.78x = 300,573,649.42
  5. Step 5: Solve for x
    x = 300,573,649.42/18,944.78
  6. Step 6: Final answer
    x = 15,865.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.