Home / 16,691.64-23,021.16-10,723.92

Finding the Fourth Proportional to 16,691.64, 23,021.16 and 10,723.92

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Solution

The fourth proportional to 16,691.64, 23,021.16 and 10,723.92 is: 14,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.64 : 23,021.16 = 10,723.92 : x
  2. Step 2: Convert to fraction form
    16,691.64/23,021.16 = 10,723.92/x
  3. Step 3: Cross multiply
    16,691.64x = 23,021.16 × 10,723.92
  4. Step 4: Simplify right side
    16,691.64x = 246,877,078.15
  5. Step 5: Solve for x
    x = 246,877,078.15/16,691.64
  6. Step 6: Final answer
    x = 14,790.46

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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.