Home / 18,131.04-25,014.42-11,847.06

Finding the Fourth Proportional to 18,131.04, 25,014.42 and 11,847.06

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Solution

The fourth proportional to 18,131.04, 25,014.42 and 11,847.06 is: 16,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.04 : 25,014.42 = 11,847.06 : x
  2. Step 2: Convert to fraction form
    18,131.04/25,014.42 = 11,847.06/x
  3. Step 3: Cross multiply
    18,131.04x = 25,014.42 × 11,847.06
  4. Step 4: Simplify right side
    18,131.04x = 296,347,334.61
  5. Step 5: Solve for x
    x = 296,347,334.61/18,131.04
  6. Step 6: Final answer
    x = 16,344.75

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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.