Home / 16,305.66-22,501.18-9,231.66

Finding the Fourth Proportional to 16,305.66, 22,501.18 and 9,231.66

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Solution

The fourth proportional to 16,305.66, 22,501.18 and 9,231.66 is: 12,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,305.66 : 22,501.18 = 9,231.66 : x
  2. Step 2: Convert to fraction form
    16,305.66/22,501.18 = 9,231.66/x
  3. Step 3: Cross multiply
    16,305.66x = 22,501.18 × 9,231.66
  4. Step 4: Simplify right side
    16,305.66x = 207,723,243.36
  5. Step 5: Solve for x
    x = 207,723,243.36/16,305.66
  6. Step 6: Final answer
    x = 12,739.33

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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.