Home / 19,996.85-27,594.54-12,442.95

Finding the Fourth Proportional to 19,996.85, 27,594.54 and 12,442.95

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Solution

The fourth proportional to 19,996.85, 27,594.54 and 12,442.95 is: 17,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.85 : 27,594.54 = 12,442.95 : x
  2. Step 2: Convert to fraction form
    19,996.85/27,594.54 = 12,442.95/x
  3. Step 3: Cross multiply
    19,996.85x = 27,594.54 × 12,442.95
  4. Step 4: Simplify right side
    19,996.85x = 343,357,481.49
  5. Step 5: Solve for x
    x = 343,357,481.49/19,996.85
  6. Step 6: Final answer
    x = 17,170.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.