Home / 18,705.13-28,058.86-6,226.27

Finding the Fourth Proportional to 18,705.13, 28,058.86 and 6,226.27

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Solution

The fourth proportional to 18,705.13, 28,058.86 and 6,226.27 is: 9,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.13 : 28,058.86 = 6,226.27 : x
  2. Step 2: Convert to fraction form
    18,705.13/28,058.86 = 6,226.27/x
  3. Step 3: Cross multiply
    18,705.13x = 28,058.86 × 6,226.27
  4. Step 4: Simplify right side
    18,705.13x = 174,701,940.87
  5. Step 5: Solve for x
    x = 174,701,940.87/18,705.13
  6. Step 6: Final answer
    x = 9,339.79

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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.