Home / 14,939.22-20,617.47-8,226.18

Finding the Fourth Proportional to 14,939.22, 20,617.47 and 8,226.18

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Solution

The fourth proportional to 14,939.22, 20,617.47 and 8,226.18 is: 11,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.22 : 20,617.47 = 8,226.18 : x
  2. Step 2: Convert to fraction form
    14,939.22/20,617.47 = 8,226.18/x
  3. Step 3: Cross multiply
    14,939.22x = 20,617.47 × 8,226.18
  4. Step 4: Simplify right side
    14,939.22x = 169,603,019.36
  5. Step 5: Solve for x
    x = 169,603,019.36/14,939.22
  6. Step 6: Final answer
    x = 11,352.87

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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.