Home / 16,813.09-23,201.79-10,011.85

Finding the Fourth Proportional to 16,813.09, 23,201.79 and 10,011.85

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Solution

The fourth proportional to 16,813.09, 23,201.79 and 10,011.85 is: 13,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.09 : 23,201.79 = 10,011.85 : x
  2. Step 2: Convert to fraction form
    16,813.09/23,201.79 = 10,011.85/x
  3. Step 3: Cross multiply
    16,813.09x = 23,201.79 × 10,011.85
  4. Step 4: Simplify right side
    16,813.09x = 232,292,841.21
  5. Step 5: Solve for x
    x = 232,292,841.21/16,813.09
  6. Step 6: Final answer
    x = 13,816.19

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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.