Home / 15,983.88-22,057.54-8,910.28

Finding the Fourth Proportional to 15,983.88, 22,057.54 and 8,910.28

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Solution

The fourth proportional to 15,983.88, 22,057.54 and 8,910.28 is: 12,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.88 : 22,057.54 = 8,910.28 : x
  2. Step 2: Convert to fraction form
    15,983.88/22,057.54 = 8,910.28/x
  3. Step 3: Cross multiply
    15,983.88x = 22,057.54 × 8,910.28
  4. Step 4: Simplify right side
    15,983.88x = 196,538,857.51
  5. Step 5: Solve for x
    x = 196,538,857.51/15,983.88
  6. Step 6: Final answer
    x = 12,296.07

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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.