Home / 18,674.06-28,010.52-7,580.48

Finding the Fourth Proportional to 18,674.06, 28,010.52 and 7,580.48

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Solution

The fourth proportional to 18,674.06, 28,010.52 and 7,580.48 is: 11,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.06 : 28,010.52 = 7,580.48 : x
  2. Step 2: Convert to fraction form
    18,674.06/28,010.52 = 7,580.48/x
  3. Step 3: Cross multiply
    18,674.06x = 28,010.52 × 7,580.48
  4. Step 4: Simplify right side
    18,674.06x = 212,333,046.60
  5. Step 5: Solve for x
    x = 212,333,046.60/18,674.06
  6. Step 6: Final answer
    x = 11,370.48

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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.