Home / 19,799.52-27,312.98-12,243.44

Finding the Fourth Proportional to 19,799.52, 27,312.98 and 12,243.44

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Solution

The fourth proportional to 19,799.52, 27,312.98 and 12,243.44 is: 16,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.52 : 27,312.98 = 12,243.44 : x
  2. Step 2: Convert to fraction form
    19,799.52/27,312.98 = 12,243.44/x
  3. Step 3: Cross multiply
    19,799.52x = 27,312.98 × 12,243.44
  4. Step 4: Simplify right side
    19,799.52x = 334,404,634.07
  5. Step 5: Solve for x
    x = 334,404,634.07/19,799.52
  6. Step 6: Final answer
    x = 16,889.53

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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.