Home / 19,283.78-28,933.86-8,192.84

Finding the Fourth Proportional to 19,283.78, 28,933.86 and 8,192.84

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Solution

The fourth proportional to 19,283.78, 28,933.86 and 8,192.84 is: 12,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.78 : 28,933.86 = 8,192.84 : x
  2. Step 2: Convert to fraction form
    19,283.78/28,933.86 = 8,192.84/x
  3. Step 3: Cross multiply
    19,283.78x = 28,933.86 × 8,192.84
  4. Step 4: Simplify right side
    19,283.78x = 237,050,485.56
  5. Step 5: Solve for x
    x = 237,050,485.56/19,283.78
  6. Step 6: Final answer
    x = 12,292.74

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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.