Home / 19,143.72-26,418.45-11,184.33

Finding the Fourth Proportional to 19,143.72, 26,418.45 and 11,184.33

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Solution

The fourth proportional to 19,143.72, 26,418.45 and 11,184.33 is: 15,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.72 : 26,418.45 = 11,184.33 : x
  2. Step 2: Convert to fraction form
    19,143.72/26,418.45 = 11,184.33/x
  3. Step 3: Cross multiply
    19,143.72x = 26,418.45 × 11,184.33
  4. Step 4: Simplify right side
    19,143.72x = 295,472,662.89
  5. Step 5: Solve for x
    x = 295,472,662.89/19,143.72
  6. Step 6: Final answer
    x = 15,434.44

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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.