Home / 19,905.71-29,853.77-5,861.93

Finding the Fourth Proportional to 19,905.71, 29,853.77 and 5,861.93

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Solution

The fourth proportional to 19,905.71, 29,853.77 and 5,861.93 is: 8,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.71 : 29,853.77 = 5,861.93 : x
  2. Step 2: Convert to fraction form
    19,905.71/29,853.77 = 5,861.93/x
  3. Step 3: Cross multiply
    19,905.71x = 29,853.77 × 5,861.93
  4. Step 4: Simplify right side
    19,905.71x = 175,000,531.40
  5. Step 5: Solve for x
    x = 175,000,531.40/19,905.71
  6. Step 6: Final answer
    x = 8,791.47

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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.