Home / 15,923.75-21,977.19-11,462.27

Finding the Fourth Proportional to 15,923.75, 21,977.19 and 11,462.27

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Solution

The fourth proportional to 15,923.75, 21,977.19 and 11,462.27 is: 15,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.75 : 21,977.19 = 11,462.27 : x
  2. Step 2: Convert to fraction form
    15,923.75/21,977.19 = 11,462.27/x
  3. Step 3: Cross multiply
    15,923.75x = 21,977.19 × 11,462.27
  4. Step 4: Simplify right side
    15,923.75x = 251,908,375.74
  5. Step 5: Solve for x
    x = 251,908,375.74/15,923.75
  6. Step 6: Final answer
    x = 15,819.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.