Home / 14,823.37-20,456.76-8,450.90

Finding the Fourth Proportional to 14,823.37, 20,456.76 and 8,450.90

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Solution

The fourth proportional to 14,823.37, 20,456.76 and 8,450.90 is: 11,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.37 : 20,456.76 = 8,450.90 : x
  2. Step 2: Convert to fraction form
    14,823.37/20,456.76 = 8,450.90/x
  3. Step 3: Cross multiply
    14,823.37x = 20,456.76 × 8,450.90
  4. Step 4: Simplify right side
    14,823.37x = 172,877,990.83
  5. Step 5: Solve for x
    x = 172,877,990.83/14,823.37
  6. Step 6: Final answer
    x = 11,662.53

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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.