Home / 20,962.24-28,927.31-11,530.82

Finding the Fourth Proportional to 20,962.24, 28,927.31 and 11,530.82

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Solution

The fourth proportional to 20,962.24, 28,927.31 and 11,530.82 is: 15,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.24 : 28,927.31 = 11,530.82 : x
  2. Step 2: Convert to fraction form
    20,962.24/28,927.31 = 11,530.82/x
  3. Step 3: Cross multiply
    20,962.24x = 28,927.31 × 11,530.82
  4. Step 4: Simplify right side
    20,962.24x = 333,555,604.69
  5. Step 5: Solve for x
    x = 333,555,604.69/20,962.24
  6. Step 6: Final answer
    x = 15,912.21

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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.