Home / 19,278.58-28,922.13-8,194.74

Finding the Fourth Proportional to 19,278.58, 28,922.13 and 8,194.74

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Solution

The fourth proportional to 19,278.58, 28,922.13 and 8,194.74 is: 12,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.58 : 28,922.13 = 8,194.74 : x
  2. Step 2: Convert to fraction form
    19,278.58/28,922.13 = 8,194.74/x
  3. Step 3: Cross multiply
    19,278.58x = 28,922.13 × 8,194.74
  4. Step 4: Simplify right side
    19,278.58x = 237,009,335.60
  5. Step 5: Solve for x
    x = 237,009,335.60/19,278.58
  6. Step 6: Final answer
    x = 12,293.92

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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.