Home / 18,309.83-27,466.56-8,451.92

Finding the Fourth Proportional to 18,309.83, 27,466.56 and 8,451.92

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Solution

The fourth proportional to 18,309.83, 27,466.56 and 8,451.92 is: 12,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.83 : 27,466.56 = 8,451.92 : x
  2. Step 2: Convert to fraction form
    18,309.83/27,466.56 = 8,451.92/x
  3. Step 3: Cross multiply
    18,309.83x = 27,466.56 × 8,451.92
  4. Step 4: Simplify right side
    18,309.83x = 232,145,030.46
  5. Step 5: Solve for x
    x = 232,145,030.46/18,309.83
  6. Step 6: Final answer
    x = 12,678.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.