Home / 14,358.24-19,815.30-8,309.70

Finding the Fourth Proportional to 14,358.24, 19,815.30 and 8,309.70

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Solution

The fourth proportional to 14,358.24, 19,815.30 and 8,309.70 is: 11,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.24 : 19,815.30 = 8,309.70 : x
  2. Step 2: Convert to fraction form
    14,358.24/19,815.30 = 8,309.70/x
  3. Step 3: Cross multiply
    14,358.24x = 19,815.30 × 8,309.70
  4. Step 4: Simplify right side
    14,358.24x = 164,659,198.41
  5. Step 5: Solve for x
    x = 164,659,198.41/14,358.24
  6. Step 6: Final answer
    x = 11,467.92

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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.