Home / 18,588.31-25,653.89-11,036.50

Finding the Fourth Proportional to 18,588.31, 25,653.89 and 11,036.50

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Solution

The fourth proportional to 18,588.31, 25,653.89 and 11,036.50 is: 15,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.31 : 25,653.89 = 11,036.50 : x
  2. Step 2: Convert to fraction form
    18,588.31/25,653.89 = 11,036.50/x
  3. Step 3: Cross multiply
    18,588.31x = 25,653.89 × 11,036.50
  4. Step 4: Simplify right side
    18,588.31x = 283,129,156.99
  5. Step 5: Solve for x
    x = 283,129,156.99/18,588.31
  6. Step 6: Final answer
    x = 15,231.57

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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.