Home / 16,244.24-22,415.80-9,171.36

Finding the Fourth Proportional to 16,244.24, 22,415.80 and 9,171.36

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Solution

The fourth proportional to 16,244.24, 22,415.80 and 9,171.36 is: 12,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.24 : 22,415.80 = 9,171.36 : x
  2. Step 2: Convert to fraction form
    16,244.24/22,415.80 = 9,171.36/x
  3. Step 3: Cross multiply
    16,244.24x = 22,415.80 × 9,171.36
  4. Step 4: Simplify right side
    16,244.24x = 205,583,371.49
  5. Step 5: Solve for x
    x = 205,583,371.49/16,244.24
  6. Step 6: Final answer
    x = 12,655.77

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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.