Home / 15,806.72-23,712.78-7,041.44

Finding the Fourth Proportional to 15,806.72, 23,712.78 and 7,041.44

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Solution

The fourth proportional to 15,806.72, 23,712.78 and 7,041.44 is: 10,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.72 : 23,712.78 = 7,041.44 : x
  2. Step 2: Convert to fraction form
    15,806.72/23,712.78 = 7,041.44/x
  3. Step 3: Cross multiply
    15,806.72x = 23,712.78 × 7,041.44
  4. Step 4: Simplify right side
    15,806.72x = 166,972,117.60
  5. Step 5: Solve for x
    x = 166,972,117.60/15,806.72
  6. Step 6: Final answer
    x = 10,563.36

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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.