Home / 18,006.06-26,961.82-12,712.48

Finding the Fourth Proportional to 18,006.06, 26,961.82 and 12,712.48

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Solution

The fourth proportional to 18,006.06, 26,961.82 and 12,712.48 is: 19,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.06 : 26,961.82 = 12,712.48 : x
  2. Step 2: Convert to fraction form
    18,006.06/26,961.82 = 12,712.48/x
  3. Step 3: Cross multiply
    18,006.06x = 26,961.82 × 12,712.48
  4. Step 4: Simplify right side
    18,006.06x = 342,751,597.51
  5. Step 5: Solve for x
    x = 342,751,597.51/18,006.06
  6. Step 6: Final answer
    x = 19,035.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.