Home / 13,719.24-20,590.38-11,000.52

Finding the Fourth Proportional to 13,719.24, 20,590.38 and 11,000.52

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Solution

The fourth proportional to 13,719.24, 20,590.38 and 11,000.52 is: 16,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.24 : 20,590.38 = 11,000.52 : x
  2. Step 2: Convert to fraction form
    13,719.24/20,590.38 = 11,000.52/x
  3. Step 3: Cross multiply
    13,719.24x = 20,590.38 × 11,000.52
  4. Step 4: Simplify right side
    13,719.24x = 226,504,887.00
  5. Step 5: Solve for x
    x = 226,504,887.00/13,719.24
  6. Step 6: Final answer
    x = 16,510.02

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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.