Home / 15,982.83-22,056.59-8,908.49

Finding the Fourth Proportional to 15,982.83, 22,056.59 and 8,908.49

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Solution

The fourth proportional to 15,982.83, 22,056.59 and 8,908.49 is: 12,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.83 : 22,056.59 = 8,908.49 : x
  2. Step 2: Convert to fraction form
    15,982.83/22,056.59 = 8,908.49/x
  3. Step 3: Cross multiply
    15,982.83x = 22,056.59 × 8,908.49
  4. Step 4: Simplify right side
    15,982.83x = 196,490,756.62
  5. Step 5: Solve for x
    x = 196,490,756.62/15,982.83
  6. Step 6: Final answer
    x = 12,293.87

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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.