Home / 14,116.39-19,436.28-11,987.44

Finding the Fourth Proportional to 14,116.39, 19,436.28 and 11,987.44

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Solution

The fourth proportional to 14,116.39, 19,436.28 and 11,987.44 is: 16,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.39 : 19,436.28 = 11,987.44 : x
  2. Step 2: Convert to fraction form
    14,116.39/19,436.28 = 11,987.44/x
  3. Step 3: Cross multiply
    14,116.39x = 19,436.28 × 11,987.44
  4. Step 4: Simplify right side
    14,116.39x = 232,991,240.32
  5. Step 5: Solve for x
    x = 232,991,240.32/14,116.39
  6. Step 6: Final answer
    x = 16,505.02

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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.