Home / 17,423.75-26,121.04-12,143.27

Finding the Fourth Proportional to 17,423.75, 26,121.04 and 12,143.27

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Solution

The fourth proportional to 17,423.75, 26,121.04 and 12,143.27 is: 18,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,423.75 : 26,121.04 = 12,143.27 : x
  2. Step 2: Convert to fraction form
    17,423.75/26,121.04 = 12,143.27/x
  3. Step 3: Cross multiply
    17,423.75x = 26,121.04 × 12,143.27
  4. Step 4: Simplify right side
    17,423.75x = 317,194,876.35
  5. Step 5: Solve for x
    x = 317,194,876.35/17,423.75
  6. Step 6: Final answer
    x = 18,204.74

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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.