Home / 21,780.04-32,665.50-6,193.48

Finding the Fourth Proportional to 21,780.04, 32,665.50 and 6,193.48

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Solution

The fourth proportional to 21,780.04, 32,665.50 and 6,193.48 is: 9,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,780.04 : 32,665.50 = 6,193.48 : x
  2. Step 2: Convert to fraction form
    21,780.04/32,665.50 = 6,193.48/x
  3. Step 3: Cross multiply
    21,780.04x = 32,665.50 × 6,193.48
  4. Step 4: Simplify right side
    21,780.04x = 202,313,120.94
  5. Step 5: Solve for x
    x = 202,313,120.94/21,780.04
  6. Step 6: Final answer
    x = 9,288.92

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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.