Home / 13,285.99-19,932.26-3,925.96

Finding the Fourth Proportional to 13,285.99, 19,932.26 and 3,925.96

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Solution

The fourth proportional to 13,285.99, 19,932.26 and 3,925.96 is: 5,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.99 : 19,932.26 = 3,925.96 : x
  2. Step 2: Convert to fraction form
    13,285.99/19,932.26 = 3,925.96/x
  3. Step 3: Cross multiply
    13,285.99x = 19,932.26 × 3,925.96
  4. Step 4: Simplify right side
    13,285.99x = 78,253,255.47
  5. Step 5: Solve for x
    x = 78,253,255.47/13,285.99
  6. Step 6: Final answer
    x = 5,889.91

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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.