Home / 13,131.15-18,125.03-8,096.95

Finding the Fourth Proportional to 13,131.15, 18,125.03 and 8,096.95

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Solution

The fourth proportional to 13,131.15, 18,125.03 and 8,096.95 is: 11,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.15 : 18,125.03 = 8,096.95 : x
  2. Step 2: Convert to fraction form
    13,131.15/18,125.03 = 8,096.95/x
  3. Step 3: Cross multiply
    13,131.15x = 18,125.03 × 8,096.95
  4. Step 4: Simplify right side
    13,131.15x = 146,757,461.66
  5. Step 5: Solve for x
    x = 146,757,461.66/13,131.15
  6. Step 6: Final answer
    x = 11,176.28

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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.