Home / 12,029.75-17,942.11-11,276.23

Finding the Fourth Proportional to 12,029.75, 17,942.11 and 11,276.23

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Solution

The fourth proportional to 12,029.75, 17,942.11 and 11,276.23 is: 16,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.75 : 17,942.11 = 11,276.23 : x
  2. Step 2: Convert to fraction form
    12,029.75/17,942.11 = 11,276.23/x
  3. Step 3: Cross multiply
    12,029.75x = 17,942.11 × 11,276.23
  4. Step 4: Simplify right side
    12,029.75x = 202,319,319.64
  5. Step 5: Solve for x
    x = 202,319,319.64/12,029.75
  6. Step 6: Final answer
    x = 16,818.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.