Home / 13,707.18-18,910.01-8,043.66

Finding the Fourth Proportional to 13,707.18, 18,910.01 and 8,043.66

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Solution

The fourth proportional to 13,707.18, 18,910.01 and 8,043.66 is: 11,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.18 : 18,910.01 = 8,043.66 : x
  2. Step 2: Convert to fraction form
    13,707.18/18,910.01 = 8,043.66/x
  3. Step 3: Cross multiply
    13,707.18x = 18,910.01 × 8,043.66
  4. Step 4: Simplify right side
    13,707.18x = 152,105,650.82
  5. Step 5: Solve for x
    x = 152,105,650.82/13,707.18
  6. Step 6: Final answer
    x = 11,096.79

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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.