Home / 26,999.03-40,499.50-7,278.06

Finding the Fourth Proportional to 26,999.03, 40,499.50 and 7,278.06

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Solution

The fourth proportional to 26,999.03, 40,499.50 and 7,278.06 is: 10,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.03 : 40,499.50 = 7,278.06 : x
  2. Step 2: Convert to fraction form
    26,999.03/40,499.50 = 7,278.06/x
  3. Step 3: Cross multiply
    26,999.03x = 40,499.50 × 7,278.06
  4. Step 4: Simplify right side
    26,999.03x = 294,757,790.97
  5. Step 5: Solve for x
    x = 294,757,790.97/26,999.03
  6. Step 6: Final answer
    x = 10,917.35

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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.