Home / 20,059.08-27,684.90-11,680.52

Finding the Fourth Proportional to 20,059.08, 27,684.90 and 11,680.52

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Solution

The fourth proportional to 20,059.08, 27,684.90 and 11,680.52 is: 16,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.08 : 27,684.90 = 11,680.52 : x
  2. Step 2: Convert to fraction form
    20,059.08/27,684.90 = 11,680.52/x
  3. Step 3: Cross multiply
    20,059.08x = 27,684.90 × 11,680.52
  4. Step 4: Simplify right side
    20,059.08x = 323,374,028.15
  5. Step 5: Solve for x
    x = 323,374,028.15/20,059.08
  6. Step 6: Final answer
    x = 16,121.08

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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.