Home / 14,395.34-19,866.30-8,107.58

Finding the Fourth Proportional to 14,395.34, 19,866.30 and 8,107.58

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Solution

The fourth proportional to 14,395.34, 19,866.30 and 8,107.58 is: 11,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.34 : 19,866.30 = 8,107.58 : x
  2. Step 2: Convert to fraction form
    14,395.34/19,866.30 = 8,107.58/x
  3. Step 3: Cross multiply
    14,395.34x = 19,866.30 × 8,107.58
  4. Step 4: Simplify right side
    14,395.34x = 161,067,616.55
  5. Step 5: Solve for x
    x = 161,067,616.55/14,395.34
  6. Step 6: Final answer
    x = 11,188.87

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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.