Home / 13,057.84-19,562.09-10,121.77

Finding the Fourth Proportional to 13,057.84, 19,562.09 and 10,121.77

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Solution

The fourth proportional to 13,057.84, 19,562.09 and 10,121.77 is: 15,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.84 : 19,562.09 = 10,121.77 : x
  2. Step 2: Convert to fraction form
    13,057.84/19,562.09 = 10,121.77/x
  3. Step 3: Cross multiply
    13,057.84x = 19,562.09 × 10,121.77
  4. Step 4: Simplify right side
    13,057.84x = 198,002,975.70
  5. Step 5: Solve for x
    x = 198,002,975.70/13,057.84
  6. Step 6: Final answer
    x = 15,163.53

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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.