Home / 16,178.72-22,326.08-9,103.77

Finding the Fourth Proportional to 16,178.72, 22,326.08 and 9,103.77

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Solution

The fourth proportional to 16,178.72, 22,326.08 and 9,103.77 is: 12,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.72 : 22,326.08 = 9,103.77 : x
  2. Step 2: Convert to fraction form
    16,178.72/22,326.08 = 9,103.77/x
  3. Step 3: Cross multiply
    16,178.72x = 22,326.08 × 9,103.77
  4. Step 4: Simplify right side
    16,178.72x = 203,251,451.80
  5. Step 5: Solve for x
    x = 203,251,451.80/16,178.72
  6. Step 6: Final answer
    x = 12,562.89

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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.