Home / 36,211.32-54,318.60-9,915.48

Finding the Fourth Proportional to 36,211.32, 54,318.60 and 9,915.48

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Solution

The fourth proportional to 36,211.32, 54,318.60 and 9,915.48 is: 14,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.32 : 54,318.60 = 9,915.48 : x
  2. Step 2: Convert to fraction form
    36,211.32/54,318.60 = 9,915.48/x
  3. Step 3: Cross multiply
    36,211.32x = 54,318.60 × 9,915.48
  4. Step 4: Simplify right side
    36,211.32x = 538,594,991.93
  5. Step 5: Solve for x
    x = 538,594,991.93/36,211.32
  6. Step 6: Final answer
    x = 14,873.66

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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.