Home / 13,190.06-19,777.80-10,028.64

Finding the Fourth Proportional to 13,190.06, 19,777.80 and 10,028.64

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Solution

The fourth proportional to 13,190.06, 19,777.80 and 10,028.64 is: 15,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.06 : 19,777.80 = 10,028.64 : x
  2. Step 2: Convert to fraction form
    13,190.06/19,777.80 = 10,028.64/x
  3. Step 3: Cross multiply
    13,190.06x = 19,777.80 × 10,028.64
  4. Step 4: Simplify right side
    13,190.06x = 198,344,436.19
  5. Step 5: Solve for x
    x = 198,344,436.19/13,190.06
  6. Step 6: Final answer
    x = 15,037.42

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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.