Home / 17,045.26-23,520.78-12,571.42

Finding the Fourth Proportional to 17,045.26, 23,520.78 and 12,571.42

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Solution

The fourth proportional to 17,045.26, 23,520.78 and 12,571.42 is: 17,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.26 : 23,520.78 = 12,571.42 : x
  2. Step 2: Convert to fraction form
    17,045.26/23,520.78 = 12,571.42/x
  3. Step 3: Cross multiply
    17,045.26x = 23,520.78 × 12,571.42
  4. Step 4: Simplify right side
    17,045.26x = 295,689,604.11
  5. Step 5: Solve for x
    x = 295,689,604.11/17,045.26
  6. Step 6: Final answer
    x = 17,347.32

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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.