Home / 14,177.23-19,565.45-11,815.27

Finding the Fourth Proportional to 14,177.23, 19,565.45 and 11,815.27

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Solution

The fourth proportional to 14,177.23, 19,565.45 and 11,815.27 is: 16,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.23 : 19,565.45 = 11,815.27 : x
  2. Step 2: Convert to fraction form
    14,177.23/19,565.45 = 11,815.27/x
  3. Step 3: Cross multiply
    14,177.23x = 19,565.45 × 11,815.27
  4. Step 4: Simplify right side
    14,177.23x = 231,171,010.74
  5. Step 5: Solve for x
    x = 231,171,010.74/14,177.23
  6. Step 6: Final answer
    x = 16,305.80

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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.