Home / 16,855.99-23,269.16-9,781.04

Finding the Fourth Proportional to 16,855.99, 23,269.16 and 9,781.04

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Solution

The fourth proportional to 16,855.99, 23,269.16 and 9,781.04 is: 13,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.99 : 23,269.16 = 9,781.04 : x
  2. Step 2: Convert to fraction form
    16,855.99/23,269.16 = 9,781.04/x
  3. Step 3: Cross multiply
    16,855.99x = 23,269.16 × 9,781.04
  4. Step 4: Simplify right side
    16,855.99x = 227,596,584.73
  5. Step 5: Solve for x
    x = 227,596,584.73/16,855.99
  6. Step 6: Final answer
    x = 13,502.42

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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.