Home / 18,410.74-27,615.56-5,084.55

Finding the Fourth Proportional to 18,410.74, 27,615.56 and 5,084.55

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Solution

The fourth proportional to 18,410.74, 27,615.56 and 5,084.55 is: 7,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.74 : 27,615.56 = 5,084.55 : x
  2. Step 2: Convert to fraction form
    18,410.74/27,615.56 = 5,084.55/x
  3. Step 3: Cross multiply
    18,410.74x = 27,615.56 × 5,084.55
  4. Step 4: Simplify right side
    18,410.74x = 140,412,557.52
  5. Step 5: Solve for x
    x = 140,412,557.52/18,410.74
  6. Step 6: Final answer
    x = 7,626.67

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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.