Home / 14,899.24-20,561.09-8,185

Finding the Fourth Proportional to 14,899.24, 20,561.09 and 8,185

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Solution

The fourth proportional to 14,899.24, 20,561.09 and 8,185 is: 11,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.24 : 20,561.09 = 8,185 : x
  2. Step 2: Convert to fraction form
    14,899.24/20,561.09 = 8,185/x
  3. Step 3: Cross multiply
    14,899.24x = 20,561.09 × 8,185
  4. Step 4: Simplify right side
    14,899.24x = 168,292,521.65
  5. Step 5: Solve for x
    x = 168,292,521.65/14,899.24
  6. Step 6: Final answer
    x = 11,295.38

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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.