Home / 54,211.59-81,317.39-14,768.91

Finding the Fourth Proportional to 54,211.59, 81,317.39 and 14,768.91

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Solution

The fourth proportional to 54,211.59, 81,317.39 and 14,768.91 is: 22,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.59 : 81,317.39 = 14,768.91 : x
  2. Step 2: Convert to fraction form
    54,211.59/81,317.39 = 14,768.91/x
  3. Step 3: Cross multiply
    54,211.59x = 81,317.39 × 14,768.91
  4. Step 4: Simplify right side
    54,211.59x = 1,200,969,140.50
  5. Step 5: Solve for x
    x = 1,200,969,140.50/54,211.59
  6. Step 6: Final answer
    x = 22,153.37

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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.