Home / 20,193.86-27,865.68-14,891.60

Finding the Fourth Proportional to 20,193.86, 27,865.68 and 14,891.60

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Solution

The fourth proportional to 20,193.86, 27,865.68 and 14,891.60 is: 20,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.86 : 27,865.68 = 14,891.60 : x
  2. Step 2: Convert to fraction form
    20,193.86/27,865.68 = 14,891.60/x
  3. Step 3: Cross multiply
    20,193.86x = 27,865.68 × 14,891.60
  4. Step 4: Simplify right side
    20,193.86x = 414,964,560.29
  5. Step 5: Solve for x
    x = 414,964,560.29/20,193.86
  6. Step 6: Final answer
    x = 20,549.05

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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.