Home / 14,560.56-21,805.20-6,771.60

Finding the Fourth Proportional to 14,560.56, 21,805.20 and 6,771.60

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Solution

The fourth proportional to 14,560.56, 21,805.20 and 6,771.60 is: 10,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.56 : 21,805.20 = 6,771.60 : x
  2. Step 2: Convert to fraction form
    14,560.56/21,805.20 = 6,771.60/x
  3. Step 3: Cross multiply
    14,560.56x = 21,805.20 × 6,771.60
  4. Step 4: Simplify right side
    14,560.56x = 147,656,092.32
  5. Step 5: Solve for x
    x = 147,656,092.32/14,560.56
  6. Step 6: Final answer
    x = 10,140.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.