Home / 14,680.22-20,257.33-8,307.39

Finding the Fourth Proportional to 14,680.22, 20,257.33 and 8,307.39

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Solution

The fourth proportional to 14,680.22, 20,257.33 and 8,307.39 is: 11,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.22 : 20,257.33 = 8,307.39 : x
  2. Step 2: Convert to fraction form
    14,680.22/20,257.33 = 8,307.39/x
  3. Step 3: Cross multiply
    14,680.22x = 20,257.33 × 8,307.39
  4. Step 4: Simplify right side
    14,680.22x = 168,285,540.67
  5. Step 5: Solve for x
    x = 168,285,540.67/14,680.22
  6. Step 6: Final answer
    x = 11,463.42

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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.