Home / 15,806.96-23,710.44-4,721.43

Finding the Fourth Proportional to 15,806.96, 23,710.44 and 4,721.43

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Solution

The fourth proportional to 15,806.96, 23,710.44 and 4,721.43 is: 7,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.96 : 23,710.44 = 4,721.43 : x
  2. Step 2: Convert to fraction form
    15,806.96/23,710.44 = 4,721.43/x
  3. Step 3: Cross multiply
    15,806.96x = 23,710.44 × 4,721.43
  4. Step 4: Simplify right side
    15,806.96x = 111,947,182.73
  5. Step 5: Solve for x
    x = 111,947,182.73/15,806.96
  6. Step 6: Final answer
    x = 7,082.15

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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.