Home / 14,385.23-19,845.21-8,414.27

Finding the Fourth Proportional to 14,385.23, 19,845.21 and 8,414.27

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Solution

The fourth proportional to 14,385.23, 19,845.21 and 8,414.27 is: 11,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.23 : 19,845.21 = 8,414.27 : x
  2. Step 2: Convert to fraction form
    14,385.23/19,845.21 = 8,414.27/x
  3. Step 3: Cross multiply
    14,385.23x = 19,845.21 × 8,414.27
  4. Step 4: Simplify right side
    14,385.23x = 166,982,955.15
  5. Step 5: Solve for x
    x = 166,982,955.15/14,385.23
  6. Step 6: Final answer
    x = 11,607.94

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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.