Home / 20,035.06-27,647.25-11,081.98

Finding the Fourth Proportional to 20,035.06, 27,647.25 and 11,081.98

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Solution

The fourth proportional to 20,035.06, 27,647.25 and 11,081.98 is: 15,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.06 : 27,647.25 = 11,081.98 : x
  2. Step 2: Convert to fraction form
    20,035.06/27,647.25 = 11,081.98/x
  3. Step 3: Cross multiply
    20,035.06x = 27,647.25 × 11,081.98
  4. Step 4: Simplify right side
    20,035.06x = 306,386,271.56
  5. Step 5: Solve for x
    x = 306,386,271.56/20,035.06
  6. Step 6: Final answer
    x = 15,292.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.