Home / 16,231.19-22,399.14-9,943.57

Finding the Fourth Proportional to 16,231.19, 22,399.14 and 9,943.57

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Solution

The fourth proportional to 16,231.19, 22,399.14 and 9,943.57 is: 13,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.19 : 22,399.14 = 9,943.57 : x
  2. Step 2: Convert to fraction form
    16,231.19/22,399.14 = 9,943.57/x
  3. Step 3: Cross multiply
    16,231.19x = 22,399.14 × 9,943.57
  4. Step 4: Simplify right side
    16,231.19x = 222,727,416.53
  5. Step 5: Solve for x
    x = 222,727,416.53/16,231.19
  6. Step 6: Final answer
    x = 13,722.19

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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.