Home / 22,765.15-34,147.58-18,861.36

Finding the Fourth Proportional to 22,765.15, 34,147.58 and 18,861.36

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Solution

The fourth proportional to 22,765.15, 34,147.58 and 18,861.36 is: 28,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.15 : 34,147.58 = 18,861.36 : x
  2. Step 2: Convert to fraction form
    22,765.15/34,147.58 = 18,861.36/x
  3. Step 3: Cross multiply
    22,765.15x = 34,147.58 × 18,861.36
  4. Step 4: Simplify right side
    22,765.15x = 644,069,577.15
  5. Step 5: Solve for x
    x = 644,069,577.15/22,765.15
  6. Step 6: Final answer
    x = 28,291.91

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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.