Home / 19,845.60-29,770.62-6,699.03

Finding the Fourth Proportional to 19,845.60, 29,770.62 and 6,699.03

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Solution

The fourth proportional to 19,845.60, 29,770.62 and 6,699.03 is: 10,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.60 : 29,770.62 = 6,699.03 : x
  2. Step 2: Convert to fraction form
    19,845.60/29,770.62 = 6,699.03/x
  3. Step 3: Cross multiply
    19,845.60x = 29,770.62 × 6,699.03
  4. Step 4: Simplify right side
    19,845.60x = 199,434,276.50
  5. Step 5: Solve for x
    x = 199,434,276.50/19,845.60
  6. Step 6: Final answer
    x = 10,049.29

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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.