Home / 20,246.72-27,979.07-14,600.00

Finding the Fourth Proportional to 20,246.72, 27,979.07 and 14,600.00

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Solution

The fourth proportional to 20,246.72, 27,979.07 and 14,600.00 is: 20,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.72 : 27,979.07 = 14,600.00 : x
  2. Step 2: Convert to fraction form
    20,246.72/27,979.07 = 14,600.00/x
  3. Step 3: Cross multiply
    20,246.72x = 27,979.07 × 14,600.00
  4. Step 4: Simplify right side
    20,246.72x = 408,494,209.10
  5. Step 5: Solve for x
    x = 408,494,209.10/20,246.72
  6. Step 6: Final answer
    x = 20,175.83

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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.