Home / 43,262.62-64,893.52-13,680.46

Finding the Fourth Proportional to 43,262.62, 64,893.52 and 13,680.46

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Solution

The fourth proportional to 43,262.62, 64,893.52 and 13,680.46 is: 20,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.62 : 64,893.52 = 13,680.46 : x
  2. Step 2: Convert to fraction form
    43,262.62/64,893.52 = 13,680.46/x
  3. Step 3: Cross multiply
    43,262.62x = 64,893.52 × 13,680.46
  4. Step 4: Simplify right side
    43,262.62x = 887,773,204.62
  5. Step 5: Solve for x
    x = 887,773,204.62/43,262.62
  6. Step 6: Final answer
    x = 20,520.56

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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.