Home / 17,946.36-26,921.78-5,939

Finding the Fourth Proportional to 17,946.36, 26,921.78 and 5,939

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Solution

The fourth proportional to 17,946.36, 26,921.78 and 5,939 is: 8,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.36 : 26,921.78 = 5,939 : x
  2. Step 2: Convert to fraction form
    17,946.36/26,921.78 = 5,939/x
  3. Step 3: Cross multiply
    17,946.36x = 26,921.78 × 5,939
  4. Step 4: Simplify right side
    17,946.36x = 159,888,451.42
  5. Step 5: Solve for x
    x = 159,888,451.42/17,946.36
  6. Step 6: Final answer
    x = 8,909.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.