Home / 20,098.68-27,741.96-12,141.48

Finding the Fourth Proportional to 20,098.68, 27,741.96 and 12,141.48

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Solution

The fourth proportional to 20,098.68, 27,741.96 and 12,141.48 is: 16,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.68 : 27,741.96 = 12,141.48 : x
  2. Step 2: Convert to fraction form
    20,098.68/27,741.96 = 12,141.48/x
  3. Step 3: Cross multiply
    20,098.68x = 27,741.96 × 12,141.48
  4. Step 4: Simplify right side
    20,098.68x = 336,828,452.50
  5. Step 5: Solve for x
    x = 336,828,452.50/20,098.68
  6. Step 6: Final answer
    x = 16,758.74

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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.