Home / 13,866.94-19,134.16-7,898.73

Finding the Fourth Proportional to 13,866.94, 19,134.16 and 7,898.73

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Solution

The fourth proportional to 13,866.94, 19,134.16 and 7,898.73 is: 10,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.94 : 19,134.16 = 7,898.73 : x
  2. Step 2: Convert to fraction form
    13,866.94/19,134.16 = 7,898.73/x
  3. Step 3: Cross multiply
    13,866.94x = 19,134.16 × 7,898.73
  4. Step 4: Simplify right side
    13,866.94x = 151,135,563.62
  5. Step 5: Solve for x
    x = 151,135,563.62/13,866.94
  6. Step 6: Final answer
    x = 10,898.98

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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.