Home / 25,260.56-37,914.18-12,789.36

Finding the Fourth Proportional to 25,260.56, 37,914.18 and 12,789.36

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Solution

The fourth proportional to 25,260.56, 37,914.18 and 12,789.36 is: 19,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.56 : 37,914.18 = 12,789.36 : x
  2. Step 2: Convert to fraction form
    25,260.56/37,914.18 = 12,789.36/x
  3. Step 3: Cross multiply
    25,260.56x = 37,914.18 × 12,789.36
  4. Step 4: Simplify right side
    25,260.56x = 484,898,097.12
  5. Step 5: Solve for x
    x = 484,898,097.12/25,260.56
  6. Step 6: Final answer
    x = 19,195.86

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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.