Home / 18,273.69-25,217.70-10,315.92

Finding the Fourth Proportional to 18,273.69, 25,217.70 and 10,315.92

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Solution

The fourth proportional to 18,273.69, 25,217.70 and 10,315.92 is: 14,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.69 : 25,217.70 = 10,315.92 : x
  2. Step 2: Convert to fraction form
    18,273.69/25,217.70 = 10,315.92/x
  3. Step 3: Cross multiply
    18,273.69x = 25,217.70 × 10,315.92
  4. Step 4: Simplify right side
    18,273.69x = 260,143,775.78
  5. Step 5: Solve for x
    x = 260,143,775.78/18,273.69
  6. Step 6: Final answer
    x = 14,235.97

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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.