Home / 19,804.47-29,708.25-5,764.68

Finding the Fourth Proportional to 19,804.47, 29,708.25 and 5,764.68

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Solution

The fourth proportional to 19,804.47, 29,708.25 and 5,764.68 is: 8,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.47 : 29,708.25 = 5,764.68 : x
  2. Step 2: Convert to fraction form
    19,804.47/29,708.25 = 5,764.68/x
  3. Step 3: Cross multiply
    19,804.47x = 29,708.25 × 5,764.68
  4. Step 4: Simplify right side
    19,804.47x = 171,258,554.61
  5. Step 5: Solve for x
    x = 171,258,554.61/19,804.47
  6. Step 6: Final answer
    x = 8,647.47

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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.