Home / 16,812.12-23,198.52-10,005.12

Finding the Fourth Proportional to 16,812.12, 23,198.52 and 10,005.12

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Solution

The fourth proportional to 16,812.12, 23,198.52 and 10,005.12 is: 13,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.12 : 23,198.52 = 10,005.12 : x
  2. Step 2: Convert to fraction form
    16,812.12/23,198.52 = 10,005.12/x
  3. Step 3: Cross multiply
    16,812.12x = 23,198.52 × 10,005.12
  4. Step 4: Simplify right side
    16,812.12x = 232,103,976.42
  5. Step 5: Solve for x
    x = 232,103,976.42/16,812.12
  6. Step 6: Final answer
    x = 13,805.75

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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.