Home / 18,629.96-27,945.14-5,482.58

Finding the Fourth Proportional to 18,629.96, 27,945.14 and 5,482.58

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Solution

The fourth proportional to 18,629.96, 27,945.14 and 5,482.58 is: 8,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.96 : 27,945.14 = 5,482.58 : x
  2. Step 2: Convert to fraction form
    18,629.96/27,945.14 = 5,482.58/x
  3. Step 3: Cross multiply
    18,629.96x = 27,945.14 × 5,482.58
  4. Step 4: Simplify right side
    18,629.96x = 153,211,298.52
  5. Step 5: Solve for x
    x = 153,211,298.52/18,629.96
  6. Step 6: Final answer
    x = 8,223.92

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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.