Home / 19,721.04-29,595.83-7,714.96

Finding the Fourth Proportional to 19,721.04, 29,595.83 and 7,714.96

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Solution

The fourth proportional to 19,721.04, 29,595.83 and 7,714.96 is: 11,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.04 : 29,595.83 = 7,714.96 : x
  2. Step 2: Convert to fraction form
    19,721.04/29,595.83 = 7,714.96/x
  3. Step 3: Cross multiply
    19,721.04x = 29,595.83 × 7,714.96
  4. Step 4: Simplify right side
    19,721.04x = 228,330,630.94
  5. Step 5: Solve for x
    x = 228,330,630.94/19,721.04
  6. Step 6: Final answer
    x = 11,578.02

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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.