Home / 13,186.66-18,200.87-8,944.82

Finding the Fourth Proportional to 13,186.66, 18,200.87 and 8,944.82

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Solution

The fourth proportional to 13,186.66, 18,200.87 and 8,944.82 is: 12,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.66 : 18,200.87 = 8,944.82 : x
  2. Step 2: Convert to fraction form
    13,186.66/18,200.87 = 8,944.82/x
  3. Step 3: Cross multiply
    13,186.66x = 18,200.87 × 8,944.82
  4. Step 4: Simplify right side
    13,186.66x = 162,803,505.99
  5. Step 5: Solve for x
    x = 162,803,505.99/13,186.66
  6. Step 6: Final answer
    x = 12,346.08

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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.