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Finding the Fourth Proportional to 14,686.98, 22,020.03 and 6,891.54

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Solution

The fourth proportional to 14,686.98, 22,020.03 and 6,891.54 is: 10,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.98 : 22,020.03 = 6,891.54 : x
  2. Step 2: Convert to fraction form
    14,686.98/22,020.03 = 6,891.54/x
  3. Step 3: Cross multiply
    14,686.98x = 22,020.03 × 6,891.54
  4. Step 4: Simplify right side
    14,686.98x = 151,751,917.55
  5. Step 5: Solve for x
    x = 151,751,917.55/14,686.98
  6. Step 6: Final answer
    x = 10,332.41

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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.