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Finding the Fourth Proportional to 14,808.99, 20,436.95 and 8,095.06

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Solution

The fourth proportional to 14,808.99, 20,436.95 and 8,095.06 is: 11,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.99 : 20,436.95 = 8,095.06 : x
  2. Step 2: Convert to fraction form
    14,808.99/20,436.95 = 8,095.06/x
  3. Step 3: Cross multiply
    14,808.99x = 20,436.95 × 8,095.06
  4. Step 4: Simplify right side
    14,808.99x = 165,438,336.47
  5. Step 5: Solve for x
    x = 165,438,336.47/14,808.99
  6. Step 6: Final answer
    x = 11,171.48

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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.