Home / 16,231.36-22,397.88-9,517.28

Finding the Fourth Proportional to 16,231.36, 22,397.88 and 9,517.28

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Solution

The fourth proportional to 16,231.36, 22,397.88 and 9,517.28 is: 13,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.36 : 22,397.88 = 9,517.28 : x
  2. Step 2: Convert to fraction form
    16,231.36/22,397.88 = 9,517.28/x
  3. Step 3: Cross multiply
    16,231.36x = 22,397.88 × 9,517.28
  4. Step 4: Simplify right side
    16,231.36x = 213,166,895.37
  5. Step 5: Solve for x
    x = 213,166,895.37/16,231.36
  6. Step 6: Final answer
    x = 13,133.03

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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.