Home / 22,316.96-33,490.02-11,936

Finding the Fourth Proportional to 22,316.96, 33,490.02 and 11,936

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Solution

The fourth proportional to 22,316.96, 33,490.02 and 11,936 is: 17,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.96 : 33,490.02 = 11,936 : x
  2. Step 2: Convert to fraction form
    22,316.96/33,490.02 = 11,936/x
  3. Step 3: Cross multiply
    22,316.96x = 33,490.02 × 11,936
  4. Step 4: Simplify right side
    22,316.96x = 399,736,878.72
  5. Step 5: Solve for x
    x = 399,736,878.72/22,316.96
  6. Step 6: Final answer
    x = 17,911.80

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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.