Home / 20,051.27-27,661.01-13,247.96

Finding the Fourth Proportional to 20,051.27, 27,661.01 and 13,247.96

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Solution

The fourth proportional to 20,051.27, 27,661.01 and 13,247.96 is: 18,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.27 : 27,661.01 = 13,247.96 : x
  2. Step 2: Convert to fraction form
    20,051.27/27,661.01 = 13,247.96/x
  3. Step 3: Cross multiply
    20,051.27x = 27,661.01 × 13,247.96
  4. Step 4: Simplify right side
    20,051.27x = 366,451,749.49
  5. Step 5: Solve for x
    x = 366,451,749.49/20,051.27
  6. Step 6: Final answer
    x = 18,275.74

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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.