Home / 14,101.45-19,459.99-8,436.43

Finding the Fourth Proportional to 14,101.45, 19,459.99 and 8,436.43

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Solution

The fourth proportional to 14,101.45, 19,459.99 and 8,436.43 is: 11,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.45 : 19,459.99 = 8,436.43 : x
  2. Step 2: Convert to fraction form
    14,101.45/19,459.99 = 8,436.43/x
  3. Step 3: Cross multiply
    14,101.45x = 19,459.99 × 8,436.43
  4. Step 4: Simplify right side
    14,101.45x = 164,172,843.44
  5. Step 5: Solve for x
    x = 164,172,843.44/14,101.45
  6. Step 6: Final answer
    x = 11,642.27

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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.