Home / 19,118.06-26,380.23-10,619.54

Finding the Fourth Proportional to 19,118.06, 26,380.23 and 10,619.54

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Solution

The fourth proportional to 19,118.06, 26,380.23 and 10,619.54 is: 14,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.06 : 26,380.23 = 10,619.54 : x
  2. Step 2: Convert to fraction form
    19,118.06/26,380.23 = 10,619.54/x
  3. Step 3: Cross multiply
    19,118.06x = 26,380.23 × 10,619.54
  4. Step 4: Simplify right side
    19,118.06x = 280,145,907.69
  5. Step 5: Solve for x
    x = 280,145,907.69/19,118.06
  6. Step 6: Final answer
    x = 14,653.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.