Home / 19,763.26-29,644.90-8,076.47

Finding the Fourth Proportional to 19,763.26, 29,644.90 and 8,076.47

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Solution

The fourth proportional to 19,763.26, 29,644.90 and 8,076.47 is: 12,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.26 : 29,644.90 = 8,076.47 : x
  2. Step 2: Convert to fraction form
    19,763.26/29,644.90 = 8,076.47/x
  3. Step 3: Cross multiply
    19,763.26x = 29,644.90 × 8,076.47
  4. Step 4: Simplify right side
    19,763.26x = 239,425,977.09
  5. Step 5: Solve for x
    x = 239,425,977.09/19,763.26
  6. Step 6: Final answer
    x = 12,114.70

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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.