Home / 14,021.92-19,350.68-8,054.79

Finding the Fourth Proportional to 14,021.92, 19,350.68 and 8,054.79

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Solution

The fourth proportional to 14,021.92, 19,350.68 and 8,054.79 is: 11,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.92 : 19,350.68 = 8,054.79 : x
  2. Step 2: Convert to fraction form
    14,021.92/19,350.68 = 8,054.79/x
  3. Step 3: Cross multiply
    14,021.92x = 19,350.68 × 8,054.79
  4. Step 4: Simplify right side
    14,021.92x = 155,865,663.76
  5. Step 5: Solve for x
    x = 155,865,663.76/14,021.92
  6. Step 6: Final answer
    x = 11,115.86

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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.