Home / 16,231.54-22,399.53-9,159.46

Finding the Fourth Proportional to 16,231.54, 22,399.53 and 9,159.46

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Solution

The fourth proportional to 16,231.54, 22,399.53 and 9,159.46 is: 12,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.54 : 22,399.53 = 9,159.46 : x
  2. Step 2: Convert to fraction form
    16,231.54/22,399.53 = 9,159.46/x
  3. Step 3: Cross multiply
    16,231.54x = 22,399.53 × 9,159.46
  4. Step 4: Simplify right side
    16,231.54x = 205,167,599.05
  5. Step 5: Solve for x
    x = 205,167,599.05/16,231.54
  6. Step 6: Final answer
    x = 12,640.06

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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.