Home / 18,992.41-26,172.52-13,677.19

Finding the Fourth Proportional to 18,992.41, 26,172.52 and 13,677.19

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Solution

The fourth proportional to 18,992.41, 26,172.52 and 13,677.19 is: 18,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992.41 : 26,172.52 = 13,677.19 : x
  2. Step 2: Convert to fraction form
    18,992.41/26,172.52 = 13,677.19/x
  3. Step 3: Cross multiply
    18,992.41x = 26,172.52 × 13,677.19
  4. Step 4: Simplify right side
    18,992.41x = 357,966,528.82
  5. Step 5: Solve for x
    x = 357,966,528.82/18,992.41
  6. Step 6: Final answer
    x = 18,847.87

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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.