Home / 15,151.98-22,731.55-4,763.73

Finding the Fourth Proportional to 15,151.98, 22,731.55 and 4,763.73

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Solution

The fourth proportional to 15,151.98, 22,731.55 and 4,763.73 is: 7,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.98 : 22,731.55 = 4,763.73 : x
  2. Step 2: Convert to fraction form
    15,151.98/22,731.55 = 4,763.73/x
  3. Step 3: Cross multiply
    15,151.98x = 22,731.55 × 4,763.73
  4. Step 4: Simplify right side
    15,151.98x = 108,286,914.45
  5. Step 5: Solve for x
    x = 108,286,914.45/15,151.98
  6. Step 6: Final answer
    x = 7,146.72

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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.