Home / 19,184.88-28,784.34-8,090.58

Finding the Fourth Proportional to 19,184.88, 28,784.34 and 8,090.58

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Solution

The fourth proportional to 19,184.88, 28,784.34 and 8,090.58 is: 12,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.88 : 28,784.34 = 8,090.58 : x
  2. Step 2: Convert to fraction form
    19,184.88/28,784.34 = 8,090.58/x
  3. Step 3: Cross multiply
    19,184.88x = 28,784.34 × 8,090.58
  4. Step 4: Simplify right side
    19,184.88x = 232,882,005.52
  5. Step 5: Solve for x
    x = 232,882,005.52/19,184.88
  6. Step 6: Final answer
    x = 12,138.83

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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.