Home / 19,144.88-26,416.05-11,185.56

Finding the Fourth Proportional to 19,144.88, 26,416.05 and 11,185.56

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Solution

The fourth proportional to 19,144.88, 26,416.05 and 11,185.56 is: 15,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.88 : 26,416.05 = 11,185.56 : x
  2. Step 2: Convert to fraction form
    19,144.88/26,416.05 = 11,185.56/x
  3. Step 3: Cross multiply
    19,144.88x = 26,416.05 × 11,185.56
  4. Step 4: Simplify right side
    19,144.88x = 295,478,312.24
  5. Step 5: Solve for x
    x = 295,478,312.24/19,144.88
  6. Step 6: Final answer
    x = 15,433.81

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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.