Home / 29,276.20-43,882.80-12,644.07

Finding the Fourth Proportional to 29,276.20, 43,882.80 and 12,644.07

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Solution

The fourth proportional to 29,276.20, 43,882.80 and 12,644.07 is: 18,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.20 : 43,882.80 = 12,644.07 : x
  2. Step 2: Convert to fraction form
    29,276.20/43,882.80 = 12,644.07/x
  3. Step 3: Cross multiply
    29,276.20x = 43,882.80 × 12,644.07
  4. Step 4: Simplify right side
    29,276.20x = 554,857,195.00
  5. Step 5: Solve for x
    x = 554,857,195.00/29,276.20
  6. Step 6: Final answer
    x = 18,952.50

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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.