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Finding the Fourth Proportional to 18,003.66, 26,958.15 and 14,474.94

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Solution

The fourth proportional to 18,003.66, 26,958.15 and 14,474.94 is: 21,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.66 : 26,958.15 = 14,474.94 : x
  2. Step 2: Convert to fraction form
    18,003.66/26,958.15 = 14,474.94/x
  3. Step 3: Cross multiply
    18,003.66x = 26,958.15 × 14,474.94
  4. Step 4: Simplify right side
    18,003.66x = 390,217,603.76
  5. Step 5: Solve for x
    x = 390,217,603.76/18,003.66
  6. Step 6: Final answer
    x = 21,674.35

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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.