Home / 14,086.58-19,443.80-8,122.22

Finding the Fourth Proportional to 14,086.58, 19,443.80 and 8,122.22

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Solution

The fourth proportional to 14,086.58, 19,443.80 and 8,122.22 is: 11,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.58 : 19,443.80 = 8,122.22 : x
  2. Step 2: Convert to fraction form
    14,086.58/19,443.80 = 8,122.22/x
  3. Step 3: Cross multiply
    14,086.58x = 19,443.80 × 8,122.22
  4. Step 4: Simplify right side
    14,086.58x = 157,926,821.24
  5. Step 5: Solve for x
    x = 157,926,821.24/14,086.58
  6. Step 6: Final answer
    x = 11,211.15

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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.