Home / 19,493.56-26,900.40-11,108.44

Finding the Fourth Proportional to 19,493.56, 26,900.40 and 11,108.44

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Solution

The fourth proportional to 19,493.56, 26,900.40 and 11,108.44 is: 15,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.56 : 26,900.40 = 11,108.44 : x
  2. Step 2: Convert to fraction form
    19,493.56/26,900.40 = 11,108.44/x
  3. Step 3: Cross multiply
    19,493.56x = 26,900.40 × 11,108.44
  4. Step 4: Simplify right side
    19,493.56x = 298,821,479.38
  5. Step 5: Solve for x
    x = 298,821,479.38/19,493.56
  6. Step 6: Final answer
    x = 15,329.24

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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.