Home / 16,226.79-22,393.04-9,939.03

Finding the Fourth Proportional to 16,226.79, 22,393.04 and 9,939.03

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Solution

The fourth proportional to 16,226.79, 22,393.04 and 9,939.03 is: 13,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,226.79 : 22,393.04 = 9,939.03 : x
  2. Step 2: Convert to fraction form
    16,226.79/22,393.04 = 9,939.03/x
  3. Step 3: Cross multiply
    16,226.79x = 22,393.04 × 9,939.03
  4. Step 4: Simplify right side
    16,226.79x = 222,565,046.66
  5. Step 5: Solve for x
    x = 222,565,046.66/16,226.79
  6. Step 6: Final answer
    x = 13,715.90

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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.