Home / 14,234.96-19,638.60-9,511.76

Finding the Fourth Proportional to 14,234.96, 19,638.60 and 9,511.76

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Solution

The fourth proportional to 14,234.96, 19,638.60 and 9,511.76 is: 13,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.96 : 19,638.60 = 9,511.76 : x
  2. Step 2: Convert to fraction form
    14,234.96/19,638.60 = 9,511.76/x
  3. Step 3: Cross multiply
    14,234.96x = 19,638.60 × 9,511.76
  4. Step 4: Simplify right side
    14,234.96x = 186,797,649.94
  5. Step 5: Solve for x
    x = 186,797,649.94/14,234.96
  6. Step 6: Final answer
    x = 13,122.46

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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.