Home / 19,790.42-27,310.86-10,837.98

Finding the Fourth Proportional to 19,790.42, 27,310.86 and 10,837.98

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Solution

The fourth proportional to 19,790.42, 27,310.86 and 10,837.98 is: 14,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.42 : 27,310.86 = 10,837.98 : x
  2. Step 2: Convert to fraction form
    19,790.42/27,310.86 = 10,837.98/x
  3. Step 3: Cross multiply
    19,790.42x = 27,310.86 × 10,837.98
  4. Step 4: Simplify right side
    19,790.42x = 295,994,554.46
  5. Step 5: Solve for x
    x = 295,994,554.46/19,790.42
  6. Step 6: Final answer
    x = 14,956.46

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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.