Home / 13,942.61-19,240.37-7,568.90

Finding the Fourth Proportional to 13,942.61, 19,240.37 and 7,568.90

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Solution

The fourth proportional to 13,942.61, 19,240.37 and 7,568.90 is: 10,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.61 : 19,240.37 = 7,568.90 : x
  2. Step 2: Convert to fraction form
    13,942.61/19,240.37 = 7,568.90/x
  3. Step 3: Cross multiply
    13,942.61x = 19,240.37 × 7,568.90
  4. Step 4: Simplify right side
    13,942.61x = 145,628,436.49
  5. Step 5: Solve for x
    x = 145,628,436.49/13,942.61
  6. Step 6: Final answer
    x = 10,444.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.