Home / 54,349.38-81,521.37-14,906.70

Finding the Fourth Proportional to 54,349.38, 81,521.37 and 14,906.70

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Solution

The fourth proportional to 54,349.38, 81,521.37 and 14,906.70 is: 22,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.38 : 81,521.37 = 14,906.70 : x
  2. Step 2: Convert to fraction form
    54,349.38/81,521.37 = 14,906.70/x
  3. Step 3: Cross multiply
    54,349.38x = 81,521.37 × 14,906.70
  4. Step 4: Simplify right side
    54,349.38x = 1,215,214,606.18
  5. Step 5: Solve for x
    x = 1,215,214,606.18/54,349.38
  6. Step 6: Final answer
    x = 22,359.31

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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.