Home / 14,538.80-21,811.80-4,150.52

Finding the Fourth Proportional to 14,538.80, 21,811.80 and 4,150.52

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Solution

The fourth proportional to 14,538.80, 21,811.80 and 4,150.52 is: 6,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.80 : 21,811.80 = 4,150.52 : x
  2. Step 2: Convert to fraction form
    14,538.80/21,811.80 = 4,150.52/x
  3. Step 3: Cross multiply
    14,538.80x = 21,811.80 × 4,150.52
  4. Step 4: Simplify right side
    14,538.80x = 90,530,312.14
  5. Step 5: Solve for x
    x = 90,530,312.14/14,538.80
  6. Step 6: Final answer
    x = 6,226.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.