Home / 19,093.98-28,630.46-10,219.72

Finding the Fourth Proportional to 19,093.98, 28,630.46 and 10,219.72

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Solution

The fourth proportional to 19,093.98, 28,630.46 and 10,219.72 is: 15,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.98 : 28,630.46 = 10,219.72 : x
  2. Step 2: Convert to fraction form
    19,093.98/28,630.46 = 10,219.72/x
  3. Step 3: Cross multiply
    19,093.98x = 28,630.46 × 10,219.72
  4. Step 4: Simplify right side
    19,093.98x = 292,595,292.33
  5. Step 5: Solve for x
    x = 292,595,292.33/19,093.98
  6. Step 6: Final answer
    x = 15,323.96

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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.