Home / 19,867.98-27,416.70-11,906.22

Finding the Fourth Proportional to 19,867.98, 27,416.70 and 11,906.22

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Solution

The fourth proportional to 19,867.98, 27,416.70 and 11,906.22 is: 16,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.98 : 27,416.70 = 11,906.22 : x
  2. Step 2: Convert to fraction form
    19,867.98/27,416.70 = 11,906.22/x
  3. Step 3: Cross multiply
    19,867.98x = 27,416.70 × 11,906.22
  4. Step 4: Simplify right side
    19,867.98x = 326,429,261.87
  5. Step 5: Solve for x
    x = 326,429,261.87/19,867.98
  6. Step 6: Final answer
    x = 16,429.92

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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.