Home / 54,371.70-81,548.82-14,919.60

Finding the Fourth Proportional to 54,371.70, 81,548.82 and 14,919.60

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Solution

The fourth proportional to 54,371.70, 81,548.82 and 14,919.60 is: 22,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.70 : 81,548.82 = 14,919.60 : x
  2. Step 2: Convert to fraction form
    54,371.70/81,548.82 = 14,919.60/x
  3. Step 3: Cross multiply
    54,371.70x = 81,548.82 × 14,919.60
  4. Step 4: Simplify right side
    54,371.70x = 1,216,675,774.87
  5. Step 5: Solve for x
    x = 1,216,675,774.87/54,371.70
  6. Step 6: Final answer
    x = 22,377.00

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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.