Home / 19,748.08-29,589.45-11,940.76

Finding the Fourth Proportional to 19,748.08, 29,589.45 and 11,940.76

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Solution

The fourth proportional to 19,748.08, 29,589.45 and 11,940.76 is: 17,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.08 : 29,589.45 = 11,940.76 : x
  2. Step 2: Convert to fraction form
    19,748.08/29,589.45 = 11,940.76/x
  3. Step 3: Cross multiply
    19,748.08x = 29,589.45 × 11,940.76
  4. Step 4: Simplify right side
    19,748.08x = 353,320,520.98
  5. Step 5: Solve for x
    x = 353,320,520.98/19,748.08
  6. Step 6: Final answer
    x = 17,891.39

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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.