Home / 14,823.06-20,456.33-8,450.58

Finding the Fourth Proportional to 14,823.06, 20,456.33 and 8,450.58

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Solution

The fourth proportional to 14,823.06, 20,456.33 and 8,450.58 is: 11,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.06 : 20,456.33 = 8,450.58 : x
  2. Step 2: Convert to fraction form
    14,823.06/20,456.33 = 8,450.58/x
  3. Step 3: Cross multiply
    14,823.06x = 20,456.33 × 8,450.58
  4. Step 4: Simplify right side
    14,823.06x = 172,867,853.17
  5. Step 5: Solve for x
    x = 172,867,853.17/14,823.06
  6. Step 6: Final answer
    x = 11,662.09

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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.