Home / 26,619.40-39,922.28-7,895.06

Finding the Fourth Proportional to 26,619.40, 39,922.28 and 7,895.06

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Solution

The fourth proportional to 26,619.40, 39,922.28 and 7,895.06 is: 11,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.40 : 39,922.28 = 7,895.06 : x
  2. Step 2: Convert to fraction form
    26,619.40/39,922.28 = 7,895.06/x
  3. Step 3: Cross multiply
    26,619.40x = 39,922.28 × 7,895.06
  4. Step 4: Simplify right side
    26,619.40x = 315,188,795.94
  5. Step 5: Solve for x
    x = 315,188,795.94/26,619.40
  6. Step 6: Final answer
    x = 11,840.57

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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.