Home / 22,765.05-31,420.80-14,793.44

Finding the Fourth Proportional to 22,765.05, 31,420.80 and 14,793.44

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Solution

The fourth proportional to 22,765.05, 31,420.80 and 14,793.44 is: 20,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.05 : 31,420.80 = 14,793.44 : x
  2. Step 2: Convert to fraction form
    22,765.05/31,420.80 = 14,793.44/x
  3. Step 3: Cross multiply
    22,765.05x = 31,420.80 × 14,793.44
  4. Step 4: Simplify right side
    22,765.05x = 464,821,562.45
  5. Step 5: Solve for x
    x = 464,821,562.45/22,765.05
  6. Step 6: Final answer
    x = 20,418.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.