Home / 20,048.27-27,656.87-13,244.96

Finding the Fourth Proportional to 20,048.27, 27,656.87 and 13,244.96

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Solution

The fourth proportional to 20,048.27, 27,656.87 and 13,244.96 is: 18,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.27 : 27,656.87 = 13,244.96 : x
  2. Step 2: Convert to fraction form
    20,048.27/27,656.87 = 13,244.96/x
  3. Step 3: Cross multiply
    20,048.27x = 27,656.87 × 13,244.96
  4. Step 4: Simplify right side
    20,048.27x = 366,313,932.37
  5. Step 5: Solve for x
    x = 366,313,932.37/20,048.27
  6. Step 6: Final answer
    x = 18,271.60

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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.