Home / 14,755.23-20,359.89-8,466.39

Finding the Fourth Proportional to 14,755.23, 20,359.89 and 8,466.39

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Solution

The fourth proportional to 14,755.23, 20,359.89 and 8,466.39 is: 11,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.23 : 20,359.89 = 8,466.39 : x
  2. Step 2: Convert to fraction form
    14,755.23/20,359.89 = 8,466.39/x
  3. Step 3: Cross multiply
    14,755.23x = 20,359.89 × 8,466.39
  4. Step 4: Simplify right side
    14,755.23x = 172,374,769.10
  5. Step 5: Solve for x
    x = 172,374,769.10/14,755.23
  6. Step 6: Final answer
    x = 11,682.28

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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.