Home / 19,108.96-28,611.60-16,747.36

Finding the Fourth Proportional to 19,108.96, 28,611.60 and 16,747.36

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Solution

The fourth proportional to 19,108.96, 28,611.60 and 16,747.36 is: 25,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.96 : 28,611.60 = 16,747.36 : x
  2. Step 2: Convert to fraction form
    19,108.96/28,611.60 = 16,747.36/x
  3. Step 3: Cross multiply
    19,108.96x = 28,611.60 × 16,747.36
  4. Step 4: Simplify right side
    19,108.96x = 479,168,765.38
  5. Step 5: Solve for x
    x = 479,168,765.38/19,108.96
  6. Step 6: Final answer
    x = 25,075.61

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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.