Home / 20,558.54-30,837.96-4,976.17

Finding the Fourth Proportional to 20,558.54, 30,837.96 and 4,976.17

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Solution

The fourth proportional to 20,558.54, 30,837.96 and 4,976.17 is: 7,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.54 : 30,837.96 = 4,976.17 : x
  2. Step 2: Convert to fraction form
    20,558.54/30,837.96 = 4,976.17/x
  3. Step 3: Cross multiply
    20,558.54x = 30,837.96 × 4,976.17
  4. Step 4: Simplify right side
    20,558.54x = 153,454,854.32
  5. Step 5: Solve for x
    x = 153,454,854.32/20,558.54
  6. Step 6: Final answer
    x = 7,464.29

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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.