Home / 19,835.20-29,722.38-13,573

Finding the Fourth Proportional to 19,835.20, 29,722.38 and 13,573

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Solution

The fourth proportional to 19,835.20, 29,722.38 and 13,573 is: 20,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.20 : 29,722.38 = 13,573 : x
  2. Step 2: Convert to fraction form
    19,835.20/29,722.38 = 13,573/x
  3. Step 3: Cross multiply
    19,835.20x = 29,722.38 × 13,573
  4. Step 4: Simplify right side
    19,835.20x = 403,421,863.74
  5. Step 5: Solve for x
    x = 403,421,863.74/19,835.20
  6. Step 6: Final answer
    x = 20,338.68

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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.