Home / 22,439.12-33,663.64-6,857.96

Finding the Fourth Proportional to 22,439.12, 33,663.64 and 6,857.96

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Solution

The fourth proportional to 22,439.12, 33,663.64 and 6,857.96 is: 10,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.12 : 33,663.64 = 6,857.96 : x
  2. Step 2: Convert to fraction form
    22,439.12/33,663.64 = 6,857.96/x
  3. Step 3: Cross multiply
    22,439.12x = 33,663.64 × 6,857.96
  4. Step 4: Simplify right side
    22,439.12x = 230,863,896.57
  5. Step 5: Solve for x
    x = 230,863,896.57/22,439.12
  6. Step 6: Final answer
    x = 10,288.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.