Home / 13,184.83-18,186.67-9,204.49

Finding the Fourth Proportional to 13,184.83, 18,186.67 and 9,204.49

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Solution

The fourth proportional to 13,184.83, 18,186.67 and 9,204.49 is: 12,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.83 : 18,186.67 = 9,204.49 : x
  2. Step 2: Convert to fraction form
    13,184.83/18,186.67 = 9,204.49/x
  3. Step 3: Cross multiply
    13,184.83x = 18,186.67 × 9,204.49
  4. Step 4: Simplify right side
    13,184.83x = 167,399,022.15
  5. Step 5: Solve for x
    x = 167,399,022.15/13,184.83
  6. Step 6: Final answer
    x = 12,696.34

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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.