Home / 19,137.82-26,409.37-10,639.93

Finding the Fourth Proportional to 19,137.82, 26,409.37 and 10,639.93

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Solution

The fourth proportional to 19,137.82, 26,409.37 and 10,639.93 is: 14,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.82 : 26,409.37 = 10,639.93 : x
  2. Step 2: Convert to fraction form
    19,137.82/26,409.37 = 10,639.93/x
  3. Step 3: Cross multiply
    19,137.82x = 26,409.37 × 10,639.93
  4. Step 4: Simplify right side
    19,137.82x = 280,993,848.14
  5. Step 5: Solve for x
    x = 280,993,848.14/19,137.82
  6. Step 6: Final answer
    x = 14,682.65

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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.