Home / 13,837.41-20,653.92-12,862.17

Finding the Fourth Proportional to 13,837.41, 20,653.92 and 12,862.17

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Solution

The fourth proportional to 13,837.41, 20,653.92 and 12,862.17 is: 19,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.41 : 20,653.92 = 12,862.17 : x
  2. Step 2: Convert to fraction form
    13,837.41/20,653.92 = 12,862.17/x
  3. Step 3: Cross multiply
    13,837.41x = 20,653.92 × 12,862.17
  4. Step 4: Simplify right side
    13,837.41x = 265,654,230.21
  5. Step 5: Solve for x
    x = 265,654,230.21/13,837.41
  6. Step 6: Final answer
    x = 19,198.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.