Home / 13,028.13-19,568.34-7,773.39

Finding the Fourth Proportional to 13,028.13, 19,568.34 and 7,773.39

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Solution

The fourth proportional to 13,028.13, 19,568.34 and 7,773.39 is: 11,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.13 : 19,568.34 = 7,773.39 : x
  2. Step 2: Convert to fraction form
    13,028.13/19,568.34 = 7,773.39/x
  3. Step 3: Cross multiply
    13,028.13x = 19,568.34 × 7,773.39
  4. Step 4: Simplify right side
    13,028.13x = 152,112,338.47
  5. Step 5: Solve for x
    x = 152,112,338.47/13,028.13
  6. Step 6: Final answer
    x = 11,675.68

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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.