Home / 19,416.88-26,788.92-11,860.48

Finding the Fourth Proportional to 19,416.88, 26,788.92 and 11,860.48

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Solution

The fourth proportional to 19,416.88, 26,788.92 and 11,860.48 is: 16,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.88 : 26,788.92 = 11,860.48 : x
  2. Step 2: Convert to fraction form
    19,416.88/26,788.92 = 11,860.48/x
  3. Step 3: Cross multiply
    19,416.88x = 26,788.92 × 11,860.48
  4. Step 4: Simplify right side
    19,416.88x = 317,729,449.88
  5. Step 5: Solve for x
    x = 317,729,449.88/19,416.88
  6. Step 6: Final answer
    x = 16,363.57

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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.