Home / 20,253.99-27,950.42-11,300.96

Finding the Fourth Proportional to 20,253.99, 27,950.42 and 11,300.96

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Solution

The fourth proportional to 20,253.99, 27,950.42 and 11,300.96 is: 15,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.99 : 27,950.42 = 11,300.96 : x
  2. Step 2: Convert to fraction form
    20,253.99/27,950.42 = 11,300.96/x
  3. Step 3: Cross multiply
    20,253.99x = 27,950.42 × 11,300.96
  4. Step 4: Simplify right side
    20,253.99x = 315,866,382.15
  5. Step 5: Solve for x
    x = 315,866,382.15/20,253.99
  6. Step 6: Final answer
    x = 15,595.27

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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.