Home / 16,868.68-23,257.11-13,832.65

Finding the Fourth Proportional to 16,868.68, 23,257.11 and 13,832.65

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Solution

The fourth proportional to 16,868.68, 23,257.11 and 13,832.65 is: 19,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.68 : 23,257.11 = 13,832.65 : x
  2. Step 2: Convert to fraction form
    16,868.68/23,257.11 = 13,832.65/x
  3. Step 3: Cross multiply
    16,868.68x = 23,257.11 × 13,832.65
  4. Step 4: Simplify right side
    16,868.68x = 321,707,462.64
  5. Step 5: Solve for x
    x = 321,707,462.64/16,868.68
  6. Step 6: Final answer
    x = 19,071.29

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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.