Home / 19,087.38-26,343.36-11,534.81

Finding the Fourth Proportional to 19,087.38, 26,343.36 and 11,534.81

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Solution

The fourth proportional to 19,087.38, 26,343.36 and 11,534.81 is: 15,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.38 : 26,343.36 = 11,534.81 : x
  2. Step 2: Convert to fraction form
    19,087.38/26,343.36 = 11,534.81/x
  3. Step 3: Cross multiply
    19,087.38x = 26,343.36 × 11,534.81
  4. Step 4: Simplify right side
    19,087.38x = 303,865,520.64
  5. Step 5: Solve for x
    x = 303,865,520.64/19,087.38
  6. Step 6: Final answer
    x = 15,919.71

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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.