Home / 26,590.72-39,889.44-11,019.36

Finding the Fourth Proportional to 26,590.72, 39,889.44 and 11,019.36

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Solution

The fourth proportional to 26,590.72, 39,889.44 and 11,019.36 is: 16,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.72 : 39,889.44 = 11,019.36 : x
  2. Step 2: Convert to fraction form
    26,590.72/39,889.44 = 11,019.36/x
  3. Step 3: Cross multiply
    26,590.72x = 39,889.44 × 11,019.36
  4. Step 4: Simplify right side
    26,590.72x = 439,556,099.56
  5. Step 5: Solve for x
    x = 439,556,099.56/26,590.72
  6. Step 6: Final answer
    x = 16,530.43

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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.