Home / 19,399.04-26,770.70-11,015.54

Finding the Fourth Proportional to 19,399.04, 26,770.70 and 11,015.54

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Solution

The fourth proportional to 19,399.04, 26,770.70 and 11,015.54 is: 15,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.04 : 26,770.70 = 11,015.54 : x
  2. Step 2: Convert to fraction form
    19,399.04/26,770.70 = 11,015.54/x
  3. Step 3: Cross multiply
    19,399.04x = 26,770.70 × 11,015.54
  4. Step 4: Simplify right side
    19,399.04x = 294,893,527.75
  5. Step 5: Solve for x
    x = 294,893,527.75/19,399.04
  6. Step 6: Final answer
    x = 15,201.45

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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.