Home / 13,936.56-19,234.55-8,904.13

Finding the Fourth Proportional to 13,936.56, 19,234.55 and 8,904.13

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Solution

The fourth proportional to 13,936.56, 19,234.55 and 8,904.13 is: 12,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.56 : 19,234.55 = 8,904.13 : x
  2. Step 2: Convert to fraction form
    13,936.56/19,234.55 = 8,904.13/x
  3. Step 3: Cross multiply
    13,936.56x = 19,234.55 × 8,904.13
  4. Step 4: Simplify right side
    13,936.56x = 171,266,857.78
  5. Step 5: Solve for x
    x = 171,266,857.78/13,936.56
  6. Step 6: Final answer
    x = 12,289.04

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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.