Home / 16,872.13-23,286.38-9,802.65

Finding the Fourth Proportional to 16,872.13, 23,286.38 and 9,802.65

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Solution

The fourth proportional to 16,872.13, 23,286.38 and 9,802.65 is: 13,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.13 : 23,286.38 = 9,802.65 : x
  2. Step 2: Convert to fraction form
    16,872.13/23,286.38 = 9,802.65/x
  3. Step 3: Cross multiply
    16,872.13x = 23,286.38 × 9,802.65
  4. Step 4: Simplify right side
    16,872.13x = 228,268,232.91
  5. Step 5: Solve for x
    x = 228,268,232.91/16,872.13
  6. Step 6: Final answer
    x = 13,529.31

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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.