Home / 16,806.89-25,195.76-9,866.81

Finding the Fourth Proportional to 16,806.89, 25,195.76 and 9,866.81

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Solution

The fourth proportional to 16,806.89, 25,195.76 and 9,866.81 is: 14,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.89 : 25,195.76 = 9,866.81 : x
  2. Step 2: Convert to fraction form
    16,806.89/25,195.76 = 9,866.81/x
  3. Step 3: Cross multiply
    16,806.89x = 25,195.76 × 9,866.81
  4. Step 4: Simplify right side
    16,806.89x = 248,601,827.38
  5. Step 5: Solve for x
    x = 248,601,827.38/16,806.89
  6. Step 6: Final answer
    x = 14,791.66

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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.