Home / 31,226.22-46,812.06-13,690.26

Finding the Fourth Proportional to 31,226.22, 46,812.06 and 13,690.26

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Solution

The fourth proportional to 31,226.22, 46,812.06 and 13,690.26 is: 20,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.22 : 46,812.06 = 13,690.26 : x
  2. Step 2: Convert to fraction form
    31,226.22/46,812.06 = 13,690.26/x
  3. Step 3: Cross multiply
    31,226.22x = 46,812.06 × 13,690.26
  4. Step 4: Simplify right side
    31,226.22x = 640,869,272.54
  5. Step 5: Solve for x
    x = 640,869,272.54/31,226.22
  6. Step 6: Final answer
    x = 20,523.43

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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.