Home / 14,425.50-19,910.85-8,141.52

Finding the Fourth Proportional to 14,425.50, 19,910.85 and 8,141.52

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Solution

The fourth proportional to 14,425.50, 19,910.85 and 8,141.52 is: 11,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.50 : 19,910.85 = 8,141.52 : x
  2. Step 2: Convert to fraction form
    14,425.50/19,910.85 = 8,141.52/x
  3. Step 3: Cross multiply
    14,425.50x = 19,910.85 × 8,141.52
  4. Step 4: Simplify right side
    14,425.50x = 162,104,583.49
  5. Step 5: Solve for x
    x = 162,104,583.49/14,425.50
  6. Step 6: Final answer
    x = 11,237.36

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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.