Home / 20,185.83-30,277.53-7,533.14

Finding the Fourth Proportional to 20,185.83, 30,277.53 and 7,533.14

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Solution

The fourth proportional to 20,185.83, 30,277.53 and 7,533.14 is: 11,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.83 : 30,277.53 = 7,533.14 : x
  2. Step 2: Convert to fraction form
    20,185.83/30,277.53 = 7,533.14/x
  3. Step 3: Cross multiply
    20,185.83x = 30,277.53 × 7,533.14
  4. Step 4: Simplify right side
    20,185.83x = 228,084,720.96
  5. Step 5: Solve for x
    x = 228,084,720.96/20,185.83
  6. Step 6: Final answer
    x = 11,299.25

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Similar ratio
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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.