Home / 22,769.04-31,435.91-15,610.87

Finding the Fourth Proportional to 22,769.04, 31,435.91 and 15,610.87

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Solution

The fourth proportional to 22,769.04, 31,435.91 and 15,610.87 is: 21,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.04 : 31,435.91 = 15,610.87 : x
  2. Step 2: Convert to fraction form
    22,769.04/31,435.91 = 15,610.87/x
  3. Step 3: Cross multiply
    22,769.04x = 31,435.91 × 15,610.87
  4. Step 4: Simplify right side
    22,769.04x = 490,741,786.19
  5. Step 5: Solve for x
    x = 490,741,786.19/22,769.04
  6. Step 6: Final answer
    x = 21,553.03

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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.