Home / 13,754.25-18,972.23-10,966.41

Finding the Fourth Proportional to 13,754.25, 18,972.23 and 10,966.41

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Solution

The fourth proportional to 13,754.25, 18,972.23 and 10,966.41 is: 15,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.25 : 18,972.23 = 10,966.41 : x
  2. Step 2: Convert to fraction form
    13,754.25/18,972.23 = 10,966.41/x
  3. Step 3: Cross multiply
    13,754.25x = 18,972.23 × 10,966.41
  4. Step 4: Simplify right side
    13,754.25x = 208,057,197.96
  5. Step 5: Solve for x
    x = 208,057,197.96/13,754.25
  6. Step 6: Final answer
    x = 15,126.76

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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.