Home / 22,765.30-31,421.15-14,793.69

Finding the Fourth Proportional to 22,765.30, 31,421.15 and 14,793.69

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Solution

The fourth proportional to 22,765.30, 31,421.15 and 14,793.69 is: 20,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.30 : 31,421.15 = 14,793.69 : x
  2. Step 2: Convert to fraction form
    22,765.30/31,421.15 = 14,793.69/x
  3. Step 3: Cross multiply
    22,765.30x = 31,421.15 × 14,793.69
  4. Step 4: Simplify right side
    22,765.30x = 464,834,752.54
  5. Step 5: Solve for x
    x = 464,834,752.54/22,765.30
  6. Step 6: Final answer
    x = 20,418.56

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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.