Home / 18,847.28-28,273.66-5,700.78

Finding the Fourth Proportional to 18,847.28, 28,273.66 and 5,700.78

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Solution

The fourth proportional to 18,847.28, 28,273.66 and 5,700.78 is: 8,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.28 : 28,273.66 = 5,700.78 : x
  2. Step 2: Convert to fraction form
    18,847.28/28,273.66 = 5,700.78/x
  3. Step 3: Cross multiply
    18,847.28x = 28,273.66 × 5,700.78
  4. Step 4: Simplify right side
    18,847.28x = 161,181,901.20
  5. Step 5: Solve for x
    x = 161,181,901.20/18,847.28
  6. Step 6: Final answer
    x = 8,552.00

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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.