Home / 18,996.06-28,499.85-9,132.54

Finding the Fourth Proportional to 18,996.06, 28,499.85 and 9,132.54

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Solution

The fourth proportional to 18,996.06, 28,499.85 and 9,132.54 is: 13,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.06 : 28,499.85 = 9,132.54 : x
  2. Step 2: Convert to fraction form
    18,996.06/28,499.85 = 9,132.54/x
  3. Step 3: Cross multiply
    18,996.06x = 28,499.85 × 9,132.54
  4. Step 4: Simplify right side
    18,996.06x = 260,276,020.12
  5. Step 5: Solve for x
    x = 260,276,020.12/18,996.06
  6. Step 6: Final answer
    x = 13,701.58

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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.