Home / 16,812.99-23,162.46-11,699.72

Finding the Fourth Proportional to 16,812.99, 23,162.46 and 11,699.72

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Solution

The fourth proportional to 16,812.99, 23,162.46 and 11,699.72 is: 16,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.99 : 23,162.46 = 11,699.72 : x
  2. Step 2: Convert to fraction form
    16,812.99/23,162.46 = 11,699.72/x
  3. Step 3: Cross multiply
    16,812.99x = 23,162.46 × 11,699.72
  4. Step 4: Simplify right side
    16,812.99x = 270,994,180.70
  5. Step 5: Solve for x
    x = 270,994,180.70/16,812.99
  6. Step 6: Final answer
    x = 16,118.14

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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.