Home / 15,709.96-23,564.33-5,321.71

Finding the Fourth Proportional to 15,709.96, 23,564.33 and 5,321.71

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Solution

The fourth proportional to 15,709.96, 23,564.33 and 5,321.71 is: 7,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.96 : 23,564.33 = 5,321.71 : x
  2. Step 2: Convert to fraction form
    15,709.96/23,564.33 = 5,321.71/x
  3. Step 3: Cross multiply
    15,709.96x = 23,564.33 × 5,321.71
  4. Step 4: Simplify right side
    15,709.96x = 125,402,504.00
  5. Step 5: Solve for x
    x = 125,402,504.00/15,709.96
  6. Step 6: Final answer
    x = 7,982.36

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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.