Home / 15,982.14-22,055.38-8,908.41

Finding the Fourth Proportional to 15,982.14, 22,055.38 and 8,908.41

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Solution

The fourth proportional to 15,982.14, 22,055.38 and 8,908.41 is: 12,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.14 : 22,055.38 = 8,908.41 : x
  2. Step 2: Convert to fraction form
    15,982.14/22,055.38 = 8,908.41/x
  3. Step 3: Cross multiply
    15,982.14x = 22,055.38 × 8,908.41
  4. Step 4: Simplify right side
    15,982.14x = 196,478,367.75
  5. Step 5: Solve for x
    x = 196,478,367.75/15,982.14
  6. Step 6: Final answer
    x = 12,293.62

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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.