Home / 20,570.53-30,856.38-6,530.62

Finding the Fourth Proportional to 20,570.53, 30,856.38 and 6,530.62

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Solution

The fourth proportional to 20,570.53, 30,856.38 and 6,530.62 is: 9,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570.53 : 30,856.38 = 6,530.62 : x
  2. Step 2: Convert to fraction form
    20,570.53/30,856.38 = 6,530.62/x
  3. Step 3: Cross multiply
    20,570.53x = 30,856.38 × 6,530.62
  4. Step 4: Simplify right side
    20,570.53x = 201,511,292.36
  5. Step 5: Solve for x
    x = 201,511,292.36/20,570.53
  6. Step 6: Final answer
    x = 9,796.12

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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.