Home / 36,199.26-54,285.57-12,500.78

Finding the Fourth Proportional to 36,199.26, 54,285.57 and 12,500.78

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Solution

The fourth proportional to 36,199.26, 54,285.57 and 12,500.78 is: 18,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199.26 : 54,285.57 = 12,500.78 : x
  2. Step 2: Convert to fraction form
    36,199.26/54,285.57 = 12,500.78/x
  3. Step 3: Cross multiply
    36,199.26x = 54,285.57 × 12,500.78
  4. Step 4: Simplify right side
    36,199.26x = 678,611,696.32
  5. Step 5: Solve for x
    x = 678,611,696.32/36,199.26
  6. Step 6: Final answer
    x = 18,746.56

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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.