Home / 16,767.14-23,139.03-9,212.99

Finding the Fourth Proportional to 16,767.14, 23,139.03 and 9,212.99

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Solution

The fourth proportional to 16,767.14, 23,139.03 and 9,212.99 is: 12,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.14 : 23,139.03 = 9,212.99 : x
  2. Step 2: Convert to fraction form
    16,767.14/23,139.03 = 9,212.99/x
  3. Step 3: Cross multiply
    16,767.14x = 23,139.03 × 9,212.99
  4. Step 4: Simplify right side
    16,767.14x = 213,179,709.85
  5. Step 5: Solve for x
    x = 213,179,709.85/16,767.14
  6. Step 6: Final answer
    x = 12,714.14

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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.