Home / 15,983.44-22,057.14-8,910.32

Finding the Fourth Proportional to 15,983.44, 22,057.14 and 8,910.32

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Solution

The fourth proportional to 15,983.44, 22,057.14 and 8,910.32 is: 12,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.44 : 22,057.14 = 8,910.32 : x
  2. Step 2: Convert to fraction form
    15,983.44/22,057.14 = 8,910.32/x
  3. Step 3: Cross multiply
    15,983.44x = 22,057.14 × 8,910.32
  4. Step 4: Simplify right side
    15,983.44x = 196,536,098.81
  5. Step 5: Solve for x
    x = 196,536,098.81/15,983.44
  6. Step 6: Final answer
    x = 12,296.23

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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.