Home / 19,285.30-28,932.33-8,192.35

Finding the Fourth Proportional to 19,285.30, 28,932.33 and 8,192.35

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Solution

The fourth proportional to 19,285.30, 28,932.33 and 8,192.35 is: 12,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.30 : 28,932.33 = 8,192.35 : x
  2. Step 2: Convert to fraction form
    19,285.30/28,932.33 = 8,192.35/x
  3. Step 3: Cross multiply
    19,285.30x = 28,932.33 × 8,192.35
  4. Step 4: Simplify right side
    19,285.30x = 237,023,773.68
  5. Step 5: Solve for x
    x = 237,023,773.68/19,285.30
  6. Step 6: Final answer
    x = 12,290.39

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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.