Home / 20,558.46-30,837.66-4,976.08

Finding the Fourth Proportional to 20,558.46, 30,837.66 and 4,976.08

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Solution

The fourth proportional to 20,558.46, 30,837.66 and 4,976.08 is: 7,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.46 : 30,837.66 = 4,976.08 : x
  2. Step 2: Convert to fraction form
    20,558.46/30,837.66 = 4,976.08/x
  3. Step 3: Cross multiply
    20,558.46x = 30,837.66 × 4,976.08
  4. Step 4: Simplify right side
    20,558.46x = 153,450,663.17
  5. Step 5: Solve for x
    x = 153,450,663.17/20,558.46
  6. Step 6: Final answer
    x = 7,464.11

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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.