Home / 17,905.36-26,851.80-7,372.36

Finding the Fourth Proportional to 17,905.36, 26,851.80 and 7,372.36

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Solution

The fourth proportional to 17,905.36, 26,851.80 and 7,372.36 is: 11,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.36 : 26,851.80 = 7,372.36 : x
  2. Step 2: Convert to fraction form
    17,905.36/26,851.80 = 7,372.36/x
  3. Step 3: Cross multiply
    17,905.36x = 26,851.80 × 7,372.36
  4. Step 4: Simplify right side
    17,905.36x = 197,961,136.25
  5. Step 5: Solve for x
    x = 197,961,136.25/17,905.36
  6. Step 6: Final answer
    x = 11,055.97

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1.5x scale

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.