Home / 14,738.36-20,331.20-10,199.12

Finding the Fourth Proportional to 14,738.36, 20,331.20 and 10,199.12

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Solution

The fourth proportional to 14,738.36, 20,331.20 and 10,199.12 is: 14,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.36 : 20,331.20 = 10,199.12 : x
  2. Step 2: Convert to fraction form
    14,738.36/20,331.20 = 10,199.12/x
  3. Step 3: Cross multiply
    14,738.36x = 20,331.20 × 10,199.12
  4. Step 4: Simplify right side
    14,738.36x = 207,360,272.39
  5. Step 5: Solve for x
    x = 207,360,272.39/14,738.36
  6. Step 6: Final answer
    x = 14,069.43

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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.