Home / 14,636.41-20,190.64-8,972.49

Finding the Fourth Proportional to 14,636.41, 20,190.64 and 8,972.49

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Solution

The fourth proportional to 14,636.41, 20,190.64 and 8,972.49 is: 12,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.41 : 20,190.64 = 8,972.49 : x
  2. Step 2: Convert to fraction form
    14,636.41/20,190.64 = 8,972.49/x
  3. Step 3: Cross multiply
    14,636.41x = 20,190.64 × 8,972.49
  4. Step 4: Simplify right side
    14,636.41x = 181,160,297.26
  5. Step 5: Solve for x
    x = 181,160,297.26/14,636.41
  6. Step 6: Final answer
    x = 12,377.37

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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.