Home / 18,273.61-25,213.30-10,719.55

Finding the Fourth Proportional to 18,273.61, 25,213.30 and 10,719.55

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Solution

The fourth proportional to 18,273.61, 25,213.30 and 10,719.55 is: 14,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.61 : 25,213.30 = 10,719.55 : x
  2. Step 2: Convert to fraction form
    18,273.61/25,213.30 = 10,719.55/x
  3. Step 3: Cross multiply
    18,273.61x = 25,213.30 × 10,719.55
  4. Step 4: Simplify right side
    18,273.61x = 270,275,230.02
  5. Step 5: Solve for x
    x = 270,275,230.02/18,273.61
  6. Step 6: Final answer
    x = 14,790.47

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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.