Home / 16,816.21-23,205.83-10,010.21

Finding the Fourth Proportional to 16,816.21, 23,205.83 and 10,010.21

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Solution

The fourth proportional to 16,816.21, 23,205.83 and 10,010.21 is: 13,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.21 : 23,205.83 = 10,010.21 : x
  2. Step 2: Convert to fraction form
    16,816.21/23,205.83 = 10,010.21/x
  3. Step 3: Cross multiply
    16,816.21x = 23,205.83 × 10,010.21
  4. Step 4: Simplify right side
    16,816.21x = 232,295,065.44
  5. Step 5: Solve for x
    x = 232,295,065.44/16,816.21
  6. Step 6: Final answer
    x = 13,813.76

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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.