Home / 14,930.56-20,603.46-8,644.96

Finding the Fourth Proportional to 14,930.56, 20,603.46 and 8,644.96

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Solution

The fourth proportional to 14,930.56, 20,603.46 and 8,644.96 is: 11,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.56 : 20,603.46 = 8,644.96 : x
  2. Step 2: Convert to fraction form
    14,930.56/20,603.46 = 8,644.96/x
  3. Step 3: Cross multiply
    14,930.56x = 20,603.46 × 8,644.96
  4. Step 4: Simplify right side
    14,930.56x = 178,116,087.56
  5. Step 5: Solve for x
    x = 178,116,087.56/14,930.56
  6. Step 6: Final answer
    x = 11,929.63

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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.