Home / 14,342.88-21,514.24-5,583.92

Finding the Fourth Proportional to 14,342.88, 21,514.24 and 5,583.92

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Solution

The fourth proportional to 14,342.88, 21,514.24 and 5,583.92 is: 8,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.88 : 21,514.24 = 5,583.92 : x
  2. Step 2: Convert to fraction form
    14,342.88/21,514.24 = 5,583.92/x
  3. Step 3: Cross multiply
    14,342.88x = 21,514.24 × 5,583.92
  4. Step 4: Simplify right side
    14,342.88x = 120,133,795.02
  5. Step 5: Solve for x
    x = 120,133,795.02/14,342.88
  6. Step 6: Final answer
    x = 8,375.85

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1.5x scale

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.