Home / 19,715.87-29,571.80-6,566.82

Finding the Fourth Proportional to 19,715.87, 29,571.80 and 6,566.82

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Solution

The fourth proportional to 19,715.87, 29,571.80 and 6,566.82 is: 9,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.87 : 29,571.80 = 6,566.82 : x
  2. Step 2: Convert to fraction form
    19,715.87/29,571.80 = 6,566.82/x
  3. Step 3: Cross multiply
    19,715.87x = 29,571.80 × 6,566.82
  4. Step 4: Simplify right side
    19,715.87x = 194,192,654.84
  5. Step 5: Solve for x
    x = 194,192,654.84/19,715.87
  6. Step 6: Final answer
    x = 9,849.56

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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.