Home / 16,789.48-23,168.99-9,235.81

Finding the Fourth Proportional to 16,789.48, 23,168.99 and 9,235.81

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Solution

The fourth proportional to 16,789.48, 23,168.99 and 9,235.81 is: 12,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.48 : 23,168.99 = 9,235.81 : x
  2. Step 2: Convert to fraction form
    16,789.48/23,168.99 = 9,235.81/x
  3. Step 3: Cross multiply
    16,789.48x = 23,168.99 × 9,235.81
  4. Step 4: Simplify right side
    16,789.48x = 213,984,389.53
  5. Step 5: Solve for x
    x = 213,984,389.53/16,789.48
  6. Step 6: Final answer
    x = 12,745.15

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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.