Home / 15,923.70-21,977.10-11,462.22

Finding the Fourth Proportional to 15,923.70, 21,977.10 and 11,462.22

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Solution

The fourth proportional to 15,923.70, 21,977.10 and 11,462.22 is: 15,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.70 : 21,977.10 = 11,462.22 : x
  2. Step 2: Convert to fraction form
    15,923.70/21,977.10 = 11,462.22/x
  3. Step 3: Cross multiply
    15,923.70x = 21,977.10 × 11,462.22
  4. Step 4: Simplify right side
    15,923.70x = 251,906,355.16
  5. Step 5: Solve for x
    x = 251,906,355.16/15,923.70
  6. Step 6: Final answer
    x = 15,819.59

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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.