Home / 14,684.79-21,971.97-8,739.75

Finding the Fourth Proportional to 14,684.79, 21,971.97 and 8,739.75

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Solution

The fourth proportional to 14,684.79, 21,971.97 and 8,739.75 is: 13,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.79 : 21,971.97 = 8,739.75 : x
  2. Step 2: Convert to fraction form
    14,684.79/21,971.97 = 8,739.75/x
  3. Step 3: Cross multiply
    14,684.79x = 21,971.97 × 8,739.75
  4. Step 4: Simplify right side
    14,684.79x = 192,029,524.81
  5. Step 5: Solve for x
    x = 192,029,524.81/14,684.79
  6. Step 6: Final answer
    x = 13,076.76

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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.