Home / 13,850.07-20,775.13-5,530.76

Finding the Fourth Proportional to 13,850.07, 20,775.13 and 5,530.76

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Solution

The fourth proportional to 13,850.07, 20,775.13 and 5,530.76 is: 8,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.07 : 20,775.13 = 5,530.76 : x
  2. Step 2: Convert to fraction form
    13,850.07/20,775.13 = 5,530.76/x
  3. Step 3: Cross multiply
    13,850.07x = 20,775.13 × 5,530.76
  4. Step 4: Simplify right side
    13,850.07x = 114,902,258.00
  5. Step 5: Solve for x
    x = 114,902,258.00/13,850.07
  6. Step 6: Final answer
    x = 8,296.15

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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.