Home / 20,023.91-27,639.55-14,057.04

Finding the Fourth Proportional to 20,023.91, 27,639.55 and 14,057.04

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Solution

The fourth proportional to 20,023.91, 27,639.55 and 14,057.04 is: 19,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.91 : 27,639.55 = 14,057.04 : x
  2. Step 2: Convert to fraction form
    20,023.91/27,639.55 = 14,057.04/x
  3. Step 3: Cross multiply
    20,023.91x = 27,639.55 × 14,057.04
  4. Step 4: Simplify right side
    20,023.91x = 388,530,189.65
  5. Step 5: Solve for x
    x = 388,530,189.65/20,023.91
  6. Step 6: Final answer
    x = 19,403.32

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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.