Home / 17,121.60-23,614.20-12,674.70

Finding the Fourth Proportional to 17,121.60, 23,614.20 and 12,674.70

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Solution

The fourth proportional to 17,121.60, 23,614.20 and 12,674.70 is: 17,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.60 : 23,614.20 = 12,674.70 : x
  2. Step 2: Convert to fraction form
    17,121.60/23,614.20 = 12,674.70/x
  3. Step 3: Cross multiply
    17,121.60x = 23,614.20 × 12,674.70
  4. Step 4: Simplify right side
    17,121.60x = 299,302,900.74
  5. Step 5: Solve for x
    x = 299,302,900.74/17,121.60
  6. Step 6: Final answer
    x = 17,481.01

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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.