Home / 21,425.67-32,142.42-6,633.59

Finding the Fourth Proportional to 21,425.67, 32,142.42 and 6,633.59

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Solution

The fourth proportional to 21,425.67, 32,142.42 and 6,633.59 is: 9,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.67 : 32,142.42 = 6,633.59 : x
  2. Step 2: Convert to fraction form
    21,425.67/32,142.42 = 6,633.59/x
  3. Step 3: Cross multiply
    21,425.67x = 32,142.42 × 6,633.59
  4. Step 4: Simplify right side
    21,425.67x = 213,219,475.18
  5. Step 5: Solve for x
    x = 213,219,475.18/21,425.67
  6. Step 6: Final answer
    x = 9,951.59

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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.