Home / 19,895.78-29,786.07-14,986.10

Finding the Fourth Proportional to 19,895.78, 29,786.07 and 14,986.10

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Solution

The fourth proportional to 19,895.78, 29,786.07 and 14,986.10 is: 22,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.78 : 29,786.07 = 14,986.10 : x
  2. Step 2: Convert to fraction form
    19,895.78/29,786.07 = 14,986.10/x
  3. Step 3: Cross multiply
    19,895.78x = 29,786.07 × 14,986.10
  4. Step 4: Simplify right side
    19,895.78x = 446,377,023.63
  5. Step 5: Solve for x
    x = 446,377,023.63/19,895.78
  6. Step 6: Final answer
    x = 22,435.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.