Home / 14,899.33-20,561.39-8,185.38

Finding the Fourth Proportional to 14,899.33, 20,561.39 and 8,185.38

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Solution

The fourth proportional to 14,899.33, 20,561.39 and 8,185.38 is: 11,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.33 : 20,561.39 = 8,185.38 : x
  2. Step 2: Convert to fraction form
    14,899.33/20,561.39 = 8,185.38/x
  3. Step 3: Cross multiply
    14,899.33x = 20,561.39 × 8,185.38
  4. Step 4: Simplify right side
    14,899.33x = 168,302,790.48
  5. Step 5: Solve for x
    x = 168,302,790.48/14,899.33
  6. Step 6: Final answer
    x = 11,296.00

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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.