Home / 15,983.06-22,057.25-8,909.93

Finding the Fourth Proportional to 15,983.06, 22,057.25 and 8,909.93

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Solution

The fourth proportional to 15,983.06, 22,057.25 and 8,909.93 is: 12,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.06 : 22,057.25 = 8,909.93 : x
  2. Step 2: Convert to fraction form
    15,983.06/22,057.25 = 8,909.93/x
  3. Step 3: Cross multiply
    15,983.06x = 22,057.25 × 8,909.93
  4. Step 4: Simplify right side
    15,983.06x = 196,528,564.09
  5. Step 5: Solve for x
    x = 196,528,564.09/15,983.06
  6. Step 6: Final answer
    x = 12,296.06

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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.