Home / 20,124.27-27,764.43-11,626.15

Finding the Fourth Proportional to 20,124.27, 27,764.43 and 11,626.15

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Solution

The fourth proportional to 20,124.27, 27,764.43 and 11,626.15 is: 16,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.27 : 27,764.43 = 11,626.15 : x
  2. Step 2: Convert to fraction form
    20,124.27/27,764.43 = 11,626.15/x
  3. Step 3: Cross multiply
    20,124.27x = 27,764.43 × 11,626.15
  4. Step 4: Simplify right side
    20,124.27x = 322,793,427.84
  5. Step 5: Solve for x
    x = 322,793,427.84/20,124.27
  6. Step 6: Final answer
    x = 16,040.01

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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.