Home / 16,893.80-23,314.10-11,218.76

Finding the Fourth Proportional to 16,893.80, 23,314.10 and 11,218.76

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Solution

The fourth proportional to 16,893.80, 23,314.10 and 11,218.76 is: 15,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.80 : 23,314.10 = 11,218.76 : x
  2. Step 2: Convert to fraction form
    16,893.80/23,314.10 = 11,218.76/x
  3. Step 3: Cross multiply
    16,893.80x = 23,314.10 × 11,218.76
  4. Step 4: Simplify right side
    16,893.80x = 261,555,292.52
  5. Step 5: Solve for x
    x = 261,555,292.52/16,893.80
  6. Step 6: Final answer
    x = 15,482.32

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Double scale
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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.