Home / 19,770.22-29,655.56-6,622.62

Finding the Fourth Proportional to 19,770.22, 29,655.56 and 6,622.62

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Solution

The fourth proportional to 19,770.22, 29,655.56 and 6,622.62 is: 9,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.22 : 29,655.56 = 6,622.62 : x
  2. Step 2: Convert to fraction form
    19,770.22/29,655.56 = 6,622.62/x
  3. Step 3: Cross multiply
    19,770.22x = 29,655.56 × 6,622.62
  4. Step 4: Simplify right side
    19,770.22x = 196,397,323.38
  5. Step 5: Solve for x
    x = 196,397,323.38/19,770.22
  6. Step 6: Final answer
    x = 9,934.00

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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.