Home / 26,198.20-39,303.93-7,478.32

Finding the Fourth Proportional to 26,198.20, 39,303.93 and 7,478.32

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Solution

The fourth proportional to 26,198.20, 39,303.93 and 7,478.32 is: 11,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.20 : 39,303.93 = 7,478.32 : x
  2. Step 2: Convert to fraction form
    26,198.20/39,303.93 = 7,478.32/x
  3. Step 3: Cross multiply
    26,198.20x = 39,303.93 × 7,478.32
  4. Step 4: Simplify right side
    26,198.20x = 293,927,365.80
  5. Step 5: Solve for x
    x = 293,927,365.80/26,198.20
  6. Step 6: Final answer
    x = 11,219.37

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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.