Home / 22,081.23-30,471.30-12,647.97

Finding the Fourth Proportional to 22,081.23, 30,471.30 and 12,647.97

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Solution

The fourth proportional to 22,081.23, 30,471.30 and 12,647.97 is: 17,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.23 : 30,471.30 = 12,647.97 : x
  2. Step 2: Convert to fraction form
    22,081.23/30,471.30 = 12,647.97/x
  3. Step 3: Cross multiply
    22,081.23x = 30,471.30 × 12,647.97
  4. Step 4: Simplify right side
    22,081.23x = 385,400,088.26
  5. Step 5: Solve for x
    x = 385,400,088.26/22,081.23
  6. Step 6: Final answer
    x = 17,453.74

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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.