Home / 18,984.08-28,473.96-5,132

Finding the Fourth Proportional to 18,984.08, 28,473.96 and 5,132

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Solution

The fourth proportional to 18,984.08, 28,473.96 and 5,132 is: 7,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.08 : 28,473.96 = 5,132 : x
  2. Step 2: Convert to fraction form
    18,984.08/28,473.96 = 5,132/x
  3. Step 3: Cross multiply
    18,984.08x = 28,473.96 × 5,132
  4. Step 4: Simplify right side
    18,984.08x = 146,128,362.72
  5. Step 5: Solve for x
    x = 146,128,362.72/18,984.08
  6. Step 6: Final answer
    x = 7,697.42

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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.