Home / 14,343.24-21,496.69-8,106.75

Finding the Fourth Proportional to 14,343.24, 21,496.69 and 8,106.75

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Solution

The fourth proportional to 14,343.24, 21,496.69 and 8,106.75 is: 12,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.24 : 21,496.69 = 8,106.75 : x
  2. Step 2: Convert to fraction form
    14,343.24/21,496.69 = 8,106.75/x
  3. Step 3: Cross multiply
    14,343.24x = 21,496.69 × 8,106.75
  4. Step 4: Simplify right side
    14,343.24x = 174,268,301.79
  5. Step 5: Solve for x
    x = 174,268,301.79/14,343.24
  6. Step 6: Final answer
    x = 12,149.85

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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.