Home / 19,519.05-26,933.38-11,858.34

Finding the Fourth Proportional to 19,519.05, 26,933.38 and 11,858.34

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Solution

The fourth proportional to 19,519.05, 26,933.38 and 11,858.34 is: 16,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.05 : 26,933.38 = 11,858.34 : x
  2. Step 2: Convert to fraction form
    19,519.05/26,933.38 = 11,858.34/x
  3. Step 3: Cross multiply
    19,519.05x = 26,933.38 × 11,858.34
  4. Step 4: Simplify right side
    19,519.05x = 319,385,177.39
  5. Step 5: Solve for x
    x = 319,385,177.39/19,519.05
  6. Step 6: Final answer
    x = 16,362.74

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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.