Home / 16,247.24-22,419.94-9,174.28

Finding the Fourth Proportional to 16,247.24, 22,419.94 and 9,174.28

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Solution

The fourth proportional to 16,247.24, 22,419.94 and 9,174.28 is: 12,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.24 : 22,419.94 = 9,174.28 : x
  2. Step 2: Convert to fraction form
    16,247.24/22,419.94 = 9,174.28/x
  3. Step 3: Cross multiply
    16,247.24x = 22,419.94 × 9,174.28
  4. Step 4: Simplify right side
    16,247.24x = 205,686,807.14
  5. Step 5: Solve for x
    x = 205,686,807.14/16,247.24
  6. Step 6: Final answer
    x = 12,659.80

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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.