Home / 19,632.78-29,453.49-6,484.59

Finding the Fourth Proportional to 19,632.78, 29,453.49 and 6,484.59

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Solution

The fourth proportional to 19,632.78, 29,453.49 and 6,484.59 is: 9,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.78 : 29,453.49 = 6,484.59 : x
  2. Step 2: Convert to fraction form
    19,632.78/29,453.49 = 6,484.59/x
  3. Step 3: Cross multiply
    19,632.78x = 29,453.49 × 6,484.59
  4. Step 4: Simplify right side
    19,632.78x = 190,993,806.72
  5. Step 5: Solve for x
    x = 190,993,806.72/19,632.78
  6. Step 6: Final answer
    x = 9,728.31

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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.