Home / 13,816.35-20,733.60-7,580.73

Finding the Fourth Proportional to 13,816.35, 20,733.60 and 7,580.73

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Solution

The fourth proportional to 13,816.35, 20,733.60 and 7,580.73 is: 11,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.35 : 20,733.60 = 7,580.73 : x
  2. Step 2: Convert to fraction form
    13,816.35/20,733.60 = 7,580.73/x
  3. Step 3: Cross multiply
    13,816.35x = 20,733.60 × 7,580.73
  4. Step 4: Simplify right side
    13,816.35x = 157,175,823.53
  5. Step 5: Solve for x
    x = 157,175,823.53/13,816.35
  6. Step 6: Final answer
    x = 11,376.07

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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.