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Finding the Fourth Proportional to 15,092.59, 20,766.75 and 14,706.22

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Solution

The fourth proportional to 15,092.59, 20,766.75 and 14,706.22 is: 20,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092.59 : 20,766.75 = 14,706.22 : x
  2. Step 2: Convert to fraction form
    15,092.59/20,766.75 = 14,706.22/x
  3. Step 3: Cross multiply
    15,092.59x = 20,766.75 × 14,706.22
  4. Step 4: Simplify right side
    15,092.59x = 305,400,394.19
  5. Step 5: Solve for x
    x = 305,400,394.19/15,092.59
  6. Step 6: Final answer
    x = 20,235.12

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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.