Home / 18,755.55-28,134.54-6,275.07

Finding the Fourth Proportional to 18,755.55, 28,134.54 and 6,275.07

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Solution

The fourth proportional to 18,755.55, 28,134.54 and 6,275.07 is: 9,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.55 : 28,134.54 = 6,275.07 : x
  2. Step 2: Convert to fraction form
    18,755.55/28,134.54 = 6,275.07/x
  3. Step 3: Cross multiply
    18,755.55x = 28,134.54 × 6,275.07
  4. Step 4: Simplify right side
    18,755.55x = 176,546,207.92
  5. Step 5: Solve for x
    x = 176,546,207.92/18,755.55
  6. Step 6: Final answer
    x = 9,413.01

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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.