Home / 19,711.65-29,572.20-6,564.14

Finding the Fourth Proportional to 19,711.65, 29,572.20 and 6,564.14

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Solution

The fourth proportional to 19,711.65, 29,572.20 and 6,564.14 is: 9,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.65 : 29,572.20 = 6,564.14 : x
  2. Step 2: Convert to fraction form
    19,711.65/29,572.20 = 6,564.14/x
  3. Step 3: Cross multiply
    19,711.65x = 29,572.20 × 6,564.14
  4. Step 4: Simplify right side
    19,711.65x = 194,115,913.05
  5. Step 5: Solve for x
    x = 194,115,913.05/19,711.65
  6. Step 6: Final answer
    x = 9,847.78

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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.