Home / 20,448.06-28,217.46-11,950.98

Finding the Fourth Proportional to 20,448.06, 28,217.46 and 11,950.98

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Solution

The fourth proportional to 20,448.06, 28,217.46 and 11,950.98 is: 16,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.06 : 28,217.46 = 11,950.98 : x
  2. Step 2: Convert to fraction form
    20,448.06/28,217.46 = 11,950.98/x
  3. Step 3: Cross multiply
    20,448.06x = 28,217.46 × 11,950.98
  4. Step 4: Simplify right side
    20,448.06x = 337,226,300.11
  5. Step 5: Solve for x
    x = 337,226,300.11/20,448.06
  6. Step 6: Final answer
    x = 16,491.85

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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.