Home / 36,113.73-54,171.72-9,819.06

Finding the Fourth Proportional to 36,113.73, 54,171.72 and 9,819.06

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Solution

The fourth proportional to 36,113.73, 54,171.72 and 9,819.06 is: 14,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.73 : 54,171.72 = 9,819.06 : x
  2. Step 2: Convert to fraction form
    36,113.73/54,171.72 = 9,819.06/x
  3. Step 3: Cross multiply
    36,113.73x = 54,171.72 × 9,819.06
  4. Step 4: Simplify right side
    36,113.73x = 531,915,368.98
  5. Step 5: Solve for x
    x = 531,915,368.98/36,113.73
  6. Step 6: Final answer
    x = 14,728.90

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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.