Home / 13,972.41-20,972.38-10,264.23

Finding the Fourth Proportional to 13,972.41, 20,972.38 and 10,264.23

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Solution

The fourth proportional to 13,972.41, 20,972.38 and 10,264.23 is: 15,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.41 : 20,972.38 = 10,264.23 : x
  2. Step 2: Convert to fraction form
    13,972.41/20,972.38 = 10,264.23/x
  3. Step 3: Cross multiply
    13,972.41x = 20,972.38 × 10,264.23
  4. Step 4: Simplify right side
    13,972.41x = 215,265,331.97
  5. Step 5: Solve for x
    x = 215,265,331.97/13,972.41
  6. Step 6: Final answer
    x = 15,406.46

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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.