Home / 19,784.04-29,676.06-8,092.52

Finding the Fourth Proportional to 19,784.04, 29,676.06 and 8,092.52

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Solution

The fourth proportional to 19,784.04, 29,676.06 and 8,092.52 is: 12,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.04 : 29,676.06 = 8,092.52 : x
  2. Step 2: Convert to fraction form
    19,784.04/29,676.06 = 8,092.52/x
  3. Step 3: Cross multiply
    19,784.04x = 29,676.06 × 8,092.52
  4. Step 4: Simplify right side
    19,784.04x = 240,154,109.07
  5. Step 5: Solve for x
    x = 240,154,109.07/19,784.04
  6. Step 6: Final answer
    x = 12,138.78

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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.