Home / 19,388.08-26,754.84-11,847.03

Finding the Fourth Proportional to 19,388.08, 26,754.84 and 11,847.03

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Solution

The fourth proportional to 19,388.08, 26,754.84 and 11,847.03 is: 16,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.08 : 26,754.84 = 11,847.03 : x
  2. Step 2: Convert to fraction form
    19,388.08/26,754.84 = 11,847.03/x
  3. Step 3: Cross multiply
    19,388.08x = 26,754.84 × 11,847.03
  4. Step 4: Simplify right side
    19,388.08x = 316,965,436.55
  5. Step 5: Solve for x
    x = 316,965,436.55/19,388.08
  6. Step 6: Final answer
    x = 16,348.47

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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.