Home / 12,936.24-19,422.32-6,700.86

Finding the Fourth Proportional to 12,936.24, 19,422.32 and 6,700.86

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Solution

The fourth proportional to 12,936.24, 19,422.32 and 6,700.86 is: 10,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.24 : 19,422.32 = 6,700.86 : x
  2. Step 2: Convert to fraction form
    12,936.24/19,422.32 = 6,700.86/x
  3. Step 3: Cross multiply
    12,936.24x = 19,422.32 × 6,700.86
  4. Step 4: Simplify right side
    12,936.24x = 130,146,213.69
  5. Step 5: Solve for x
    x = 130,146,213.69/12,936.24
  6. Step 6: Final answer
    x = 10,060.59

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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.