Home / 43,266.46-64,907.70-13,691.74

Finding the Fourth Proportional to 43,266.46, 64,907.70 and 13,691.74

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Solution

The fourth proportional to 43,266.46, 64,907.70 and 13,691.74 is: 20,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.46 : 64,907.70 = 13,691.74 : x
  2. Step 2: Convert to fraction form
    43,266.46/64,907.70 = 13,691.74/x
  3. Step 3: Cross multiply
    43,266.46x = 64,907.70 × 13,691.74
  4. Step 4: Simplify right side
    43,266.46x = 888,699,352.40
  5. Step 5: Solve for x
    x = 888,699,352.40/43,266.46
  6. Step 6: Final answer
    x = 20,540.14

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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.