Home / 16,815.12-23,204.92-10,100.86

Finding the Fourth Proportional to 16,815.12, 23,204.92 and 10,100.86

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Solution

The fourth proportional to 16,815.12, 23,204.92 and 10,100.86 is: 13,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.12 : 23,204.92 = 10,100.86 : x
  2. Step 2: Convert to fraction form
    16,815.12/23,204.92 = 10,100.86/x
  3. Step 3: Cross multiply
    16,815.12x = 23,204.92 × 10,100.86
  4. Step 4: Simplify right side
    16,815.12x = 234,389,648.23
  5. Step 5: Solve for x
    x = 234,389,648.23/16,815.12
  6. Step 6: Final answer
    x = 13,939.22

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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.