Home / 17,471.58-26,211.42-4,991.77

Finding the Fourth Proportional to 17,471.58, 26,211.42 and 4,991.77

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Solution

The fourth proportional to 17,471.58, 26,211.42 and 4,991.77 is: 7,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471.58 : 26,211.42 = 4,991.77 : x
  2. Step 2: Convert to fraction form
    17,471.58/26,211.42 = 4,991.77/x
  3. Step 3: Cross multiply
    17,471.58x = 26,211.42 × 4,991.77
  4. Step 4: Simplify right side
    17,471.58x = 130,841,380.01
  5. Step 5: Solve for x
    x = 130,841,380.01/17,471.58
  6. Step 6: Final answer
    x = 7,488.81

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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.