Home / 20,326.56-30,473.68-13,350

Finding the Fourth Proportional to 20,326.56, 30,473.68 and 13,350

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Solution

The fourth proportional to 20,326.56, 30,473.68 and 13,350 is: 20,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.56 : 30,473.68 = 13,350 : x
  2. Step 2: Convert to fraction form
    20,326.56/30,473.68 = 13,350/x
  3. Step 3: Cross multiply
    20,326.56x = 30,473.68 × 13,350
  4. Step 4: Simplify right side
    20,326.56x = 406,823,628
  5. Step 5: Solve for x
    x = 406,823,628/20,326.56
  6. Step 6: Final answer
    x = 20,014.39

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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.