Home / 14,388.98-19,856.31-8,101.22

Finding the Fourth Proportional to 14,388.98, 19,856.31 and 8,101.22

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Solution

The fourth proportional to 14,388.98, 19,856.31 and 8,101.22 is: 11,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.98 : 19,856.31 = 8,101.22 : x
  2. Step 2: Convert to fraction form
    14,388.98/19,856.31 = 8,101.22/x
  3. Step 3: Cross multiply
    14,388.98x = 19,856.31 × 8,101.22
  4. Step 4: Simplify right side
    14,388.98x = 160,860,335.70
  5. Step 5: Solve for x
    x = 160,860,335.70/14,388.98
  6. Step 6: Final answer
    x = 11,179.41

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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.