Home / 20,267.01-27,960.43-13,541.99

Finding the Fourth Proportional to 20,267.01, 27,960.43 and 13,541.99

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Solution

The fourth proportional to 20,267.01, 27,960.43 and 13,541.99 is: 18,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.01 : 27,960.43 = 13,541.99 : x
  2. Step 2: Convert to fraction form
    20,267.01/27,960.43 = 13,541.99/x
  3. Step 3: Cross multiply
    20,267.01x = 27,960.43 × 13,541.99
  4. Step 4: Simplify right side
    20,267.01x = 378,639,723.65
  5. Step 5: Solve for x
    x = 378,639,723.65/20,267.01
  6. Step 6: Final answer
    x = 18,682.56

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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.