Home / 23,028.20-31,770.60-15,074.96

Finding the Fourth Proportional to 23,028.20, 31,770.60 and 15,074.96

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Solution

The fourth proportional to 23,028.20, 31,770.60 and 15,074.96 is: 20,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.20 : 31,770.60 = 15,074.96 : x
  2. Step 2: Convert to fraction form
    23,028.20/31,770.60 = 15,074.96/x
  3. Step 3: Cross multiply
    23,028.20x = 31,770.60 × 15,074.96
  4. Step 4: Simplify right side
    23,028.20x = 478,940,524.18
  5. Step 5: Solve for x
    x = 478,940,524.18/23,028.20
  6. Step 6: Final answer
    x = 20,798.00

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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.