Home / 12,929.97-19,395.96-4,165.14

Finding the Fourth Proportional to 12,929.97, 19,395.96 and 4,165.14

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Solution

The fourth proportional to 12,929.97, 19,395.96 and 4,165.14 is: 6,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.97 : 19,395.96 = 4,165.14 : x
  2. Step 2: Convert to fraction form
    12,929.97/19,395.96 = 4,165.14/x
  3. Step 3: Cross multiply
    12,929.97x = 19,395.96 × 4,165.14
  4. Step 4: Simplify right side
    12,929.97x = 80,786,888.83
  5. Step 5: Solve for x
    x = 80,786,888.83/12,929.97
  6. Step 6: Final answer
    x = 6,248.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.