Home / 19,185.60-28,782.34-8,092.32

Finding the Fourth Proportional to 19,185.60, 28,782.34 and 8,092.32

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Solution

The fourth proportional to 19,185.60, 28,782.34 and 8,092.32 is: 12,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.60 : 28,782.34 = 8,092.32 : x
  2. Step 2: Convert to fraction form
    19,185.60/28,782.34 = 8,092.32/x
  3. Step 3: Cross multiply
    19,185.60x = 28,782.34 × 8,092.32
  4. Step 4: Simplify right side
    19,185.60x = 232,915,905.63
  5. Step 5: Solve for x
    x = 232,915,905.63/19,185.60
  6. Step 6: Final answer
    x = 12,140.14

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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.