Home / 15,048.97-20,768.21-8,334.60

Finding the Fourth Proportional to 15,048.97, 20,768.21 and 8,334.60

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Solution

The fourth proportional to 15,048.97, 20,768.21 and 8,334.60 is: 11,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.97 : 20,768.21 = 8,334.60 : x
  2. Step 2: Convert to fraction form
    15,048.97/20,768.21 = 8,334.60/x
  3. Step 3: Cross multiply
    15,048.97x = 20,768.21 × 8,334.60
  4. Step 4: Simplify right side
    15,048.97x = 173,094,786.56
  5. Step 5: Solve for x
    x = 173,094,786.56/15,048.97
  6. Step 6: Final answer
    x = 11,502.10

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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.