Home / 19,646.91-29,470.39-4,855.60

Finding the Fourth Proportional to 19,646.91, 29,470.39 and 4,855.60

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Solution

The fourth proportional to 19,646.91, 29,470.39 and 4,855.60 is: 7,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.91 : 29,470.39 = 4,855.60 : x
  2. Step 2: Convert to fraction form
    19,646.91/29,470.39 = 4,855.60/x
  3. Step 3: Cross multiply
    19,646.91x = 29,470.39 × 4,855.60
  4. Step 4: Simplify right side
    19,646.91x = 143,096,450.38
  5. Step 5: Solve for x
    x = 143,096,450.38/19,646.91
  6. Step 6: Final answer
    x = 7,283.41

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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.