Home / 18,735.63-25,843.85-12,359.95

Finding the Fourth Proportional to 18,735.63, 25,843.85 and 12,359.95

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Solution

The fourth proportional to 18,735.63, 25,843.85 and 12,359.95 is: 17,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.63 : 25,843.85 = 12,359.95 : x
  2. Step 2: Convert to fraction form
    18,735.63/25,843.85 = 12,359.95/x
  3. Step 3: Cross multiply
    18,735.63x = 25,843.85 × 12,359.95
  4. Step 4: Simplify right side
    18,735.63x = 319,428,710.66
  5. Step 5: Solve for x
    x = 319,428,710.66/18,735.63
  6. Step 6: Final answer
    x = 17,049.27

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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.