Home / 14,027.12-21,034.49-5,255.87

Finding the Fourth Proportional to 14,027.12, 21,034.49 and 5,255.87

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Solution

The fourth proportional to 14,027.12, 21,034.49 and 5,255.87 is: 7,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.12 : 21,034.49 = 5,255.87 : x
  2. Step 2: Convert to fraction form
    14,027.12/21,034.49 = 5,255.87/x
  3. Step 3: Cross multiply
    14,027.12x = 21,034.49 × 5,255.87
  4. Step 4: Simplify right side
    14,027.12x = 110,554,413.50
  5. Step 5: Solve for x
    x = 110,554,413.50/14,027.12
  6. Step 6: Final answer
    x = 7,881.48

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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.