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Finding the Fourth Proportional to 14,809.91, 20,437.52 and 8,095.55

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Solution

The fourth proportional to 14,809.91, 20,437.52 and 8,095.55 is: 11,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.91 : 20,437.52 = 8,095.55 : x
  2. Step 2: Convert to fraction form
    14,809.91/20,437.52 = 8,095.55/x
  3. Step 3: Cross multiply
    14,809.91x = 20,437.52 × 8,095.55
  4. Step 4: Simplify right side
    14,809.91x = 165,452,822.37
  5. Step 5: Solve for x
    x = 165,452,822.37/14,809.91
  6. Step 6: Final answer
    x = 11,171.77

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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.