Home / 19,180.96-26,469.90-11,223.36

Finding the Fourth Proportional to 19,180.96, 26,469.90 and 11,223.36

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Solution

The fourth proportional to 19,180.96, 26,469.90 and 11,223.36 is: 15,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.96 : 26,469.90 = 11,223.36 : x
  2. Step 2: Convert to fraction form
    19,180.96/26,469.90 = 11,223.36/x
  3. Step 3: Cross multiply
    19,180.96x = 26,469.90 × 11,223.36
  4. Step 4: Simplify right side
    19,180.96x = 297,081,216.86
  5. Step 5: Solve for x
    x = 297,081,216.86/19,180.96
  6. Step 6: Final answer
    x = 15,488.34

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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.