Home / 19,288.44-28,937.10-8,195.48

Finding the Fourth Proportional to 19,288.44, 28,937.10 and 8,195.48

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Solution

The fourth proportional to 19,288.44, 28,937.10 and 8,195.48 is: 12,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.44 : 28,937.10 = 8,195.48 : x
  2. Step 2: Convert to fraction form
    19,288.44/28,937.10 = 8,195.48/x
  3. Step 3: Cross multiply
    19,288.44x = 28,937.10 × 8,195.48
  4. Step 4: Simplify right side
    19,288.44x = 237,153,424.31
  5. Step 5: Solve for x
    x = 237,153,424.31/19,288.44
  6. Step 6: Final answer
    x = 12,295.11

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1.5x scale

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.