Home / 12,932.65-17,853.87-8,705.94

Finding the Fourth Proportional to 12,932.65, 17,853.87 and 8,705.94

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Solution

The fourth proportional to 12,932.65, 17,853.87 and 8,705.94 is: 12,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.65 : 17,853.87 = 8,705.94 : x
  2. Step 2: Convert to fraction form
    12,932.65/17,853.87 = 8,705.94/x
  3. Step 3: Cross multiply
    12,932.65x = 17,853.87 × 8,705.94
  4. Step 4: Simplify right side
    12,932.65x = 155,434,720.99
  5. Step 5: Solve for x
    x = 155,434,720.99/12,932.65
  6. Step 6: Final answer
    x = 12,018.78

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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.