Home / 54,419.40-81,629.10-14,976.45

Finding the Fourth Proportional to 54,419.40, 81,629.10 and 14,976.45

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Solution

The fourth proportional to 54,419.40, 81,629.10 and 14,976.45 is: 22,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.40 : 81,629.10 = 14,976.45 : x
  2. Step 2: Convert to fraction form
    54,419.40/81,629.10 = 14,976.45/x
  3. Step 3: Cross multiply
    54,419.40x = 81,629.10 × 14,976.45
  4. Step 4: Simplify right side
    54,419.40x = 1,222,514,134.70
  5. Step 5: Solve for x
    x = 1,222,514,134.70/54,419.40
  6. Step 6: Final answer
    x = 22,464.68

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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.