Home / 15,731.61-23,548.53-11,759.43

Finding the Fourth Proportional to 15,731.61, 23,548.53 and 11,759.43

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Solution

The fourth proportional to 15,731.61, 23,548.53 and 11,759.43 is: 17,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.61 : 23,548.53 = 11,759.43 : x
  2. Step 2: Convert to fraction form
    15,731.61/23,548.53 = 11,759.43/x
  3. Step 3: Cross multiply
    15,731.61x = 23,548.53 × 11,759.43
  4. Step 4: Simplify right side
    15,731.61x = 276,917,290.14
  5. Step 5: Solve for x
    x = 276,917,290.14/15,731.61
  6. Step 6: Final answer
    x = 17,602.60

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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.