Home / 20,269.47-30,450.34-14,664.43

Finding the Fourth Proportional to 20,269.47, 30,450.34 and 14,664.43

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Solution

The fourth proportional to 20,269.47, 30,450.34 and 14,664.43 is: 22,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.47 : 30,450.34 = 14,664.43 : x
  2. Step 2: Convert to fraction form
    20,269.47/30,450.34 = 14,664.43/x
  3. Step 3: Cross multiply
    20,269.47x = 30,450.34 × 14,664.43
  4. Step 4: Simplify right side
    20,269.47x = 446,536,879.41
  5. Step 5: Solve for x
    x = 446,536,879.41/20,269.47
  6. Step 6: Final answer
    x = 22,030.02

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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.