Home / 13,734.06-18,934.68-10,910.81

Finding the Fourth Proportional to 13,734.06, 18,934.68 and 10,910.81

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Solution

The fourth proportional to 13,734.06, 18,934.68 and 10,910.81 is: 15,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.06 : 18,934.68 = 10,910.81 : x
  2. Step 2: Convert to fraction form
    13,734.06/18,934.68 = 10,910.81/x
  3. Step 3: Cross multiply
    13,734.06x = 18,934.68 × 10,910.81
  4. Step 4: Simplify right side
    13,734.06x = 206,592,695.89
  5. Step 5: Solve for x
    x = 206,592,695.89/13,734.06
  6. Step 6: Final answer
    x = 15,042.36

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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.