Home / 19,532.16-29,299.61-7,845.38

Finding the Fourth Proportional to 19,532.16, 29,299.61 and 7,845.38

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Solution

The fourth proportional to 19,532.16, 29,299.61 and 7,845.38 is: 11,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.16 : 29,299.61 = 7,845.38 : x
  2. Step 2: Convert to fraction form
    19,532.16/29,299.61 = 7,845.38/x
  3. Step 3: Cross multiply
    19,532.16x = 29,299.61 × 7,845.38
  4. Step 4: Simplify right side
    19,532.16x = 229,866,574.30
  5. Step 5: Solve for x
    x = 229,866,574.30/19,532.16
  6. Step 6: Final answer
    x = 11,768.62

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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.