Home / 19,671.44-27,147.93-12,017.99

Finding the Fourth Proportional to 19,671.44, 27,147.93 and 12,017.99

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Solution

The fourth proportional to 19,671.44, 27,147.93 and 12,017.99 is: 16,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.44 : 27,147.93 = 12,017.99 : x
  2. Step 2: Convert to fraction form
    19,671.44/27,147.93 = 12,017.99/x
  3. Step 3: Cross multiply
    19,671.44x = 27,147.93 × 12,017.99
  4. Step 4: Simplify right side
    19,671.44x = 326,263,551.26
  5. Step 5: Solve for x
    x = 326,263,551.26/19,671.44
  6. Step 6: Final answer
    x = 16,585.65

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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.