Home / 18,958.08-28,437.28-7,268.52

Finding the Fourth Proportional to 18,958.08, 28,437.28 and 7,268.52

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Solution

The fourth proportional to 18,958.08, 28,437.28 and 7,268.52 is: 10,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.08 : 28,437.28 = 7,268.52 : x
  2. Step 2: Convert to fraction form
    18,958.08/28,437.28 = 7,268.52/x
  3. Step 3: Cross multiply
    18,958.08x = 28,437.28 × 7,268.52
  4. Step 4: Simplify right side
    18,958.08x = 206,696,938.43
  5. Step 5: Solve for x
    x = 206,696,938.43/18,958.08
  6. Step 6: Final answer
    x = 10,902.84

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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.