Home / 14,177.87-19,562.12-11,917.80

Finding the Fourth Proportional to 14,177.87, 19,562.12 and 11,917.80

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Solution

The fourth proportional to 14,177.87, 19,562.12 and 11,917.80 is: 16,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.87 : 19,562.12 = 11,917.80 : x
  2. Step 2: Convert to fraction form
    14,177.87/19,562.12 = 11,917.80/x
  3. Step 3: Cross multiply
    14,177.87x = 19,562.12 × 11,917.80
  4. Step 4: Simplify right side
    14,177.87x = 233,137,374.15
  5. Step 5: Solve for x
    x = 233,137,374.15/14,177.87
  6. Step 6: Final answer
    x = 16,443.76

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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.