Home / 19,500.06-26,906.13-11,543.43

Finding the Fourth Proportional to 19,500.06, 26,906.13 and 11,543.43

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Solution

The fourth proportional to 19,500.06, 26,906.13 and 11,543.43 is: 15,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.06 : 26,906.13 = 11,543.43 : x
  2. Step 2: Convert to fraction form
    19,500.06/26,906.13 = 11,543.43/x
  3. Step 3: Cross multiply
    19,500.06x = 26,906.13 × 11,543.43
  4. Step 4: Simplify right side
    19,500.06x = 310,589,028.23
  5. Step 5: Solve for x
    x = 310,589,028.23/19,500.06
  6. Step 6: Final answer
    x = 15,927.59

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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.