Home / 15,812.28-23,721.94-4,719.16

Finding the Fourth Proportional to 15,812.28, 23,721.94 and 4,719.16

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Solution

The fourth proportional to 15,812.28, 23,721.94 and 4,719.16 is: 7,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.28 : 23,721.94 = 4,719.16 : x
  2. Step 2: Convert to fraction form
    15,812.28/23,721.94 = 4,719.16/x
  3. Step 3: Cross multiply
    15,812.28x = 23,721.94 × 4,719.16
  4. Step 4: Simplify right side
    15,812.28x = 111,947,630.37
  5. Step 5: Solve for x
    x = 111,947,630.37/15,812.28
  6. Step 6: Final answer
    x = 7,079.79

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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.