Home / 19,619.61-29,425.24-6,468.85

Finding the Fourth Proportional to 19,619.61, 29,425.24 and 6,468.85

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Solution

The fourth proportional to 19,619.61, 29,425.24 and 6,468.85 is: 9,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.61 : 29,425.24 = 6,468.85 : x
  2. Step 2: Convert to fraction form
    19,619.61/29,425.24 = 6,468.85/x
  3. Step 3: Cross multiply
    19,619.61x = 29,425.24 × 6,468.85
  4. Step 4: Simplify right side
    19,619.61x = 190,347,463.77
  5. Step 5: Solve for x
    x = 190,347,463.77/19,619.61
  6. Step 6: Final answer
    x = 9,701.90

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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.