Home / 19,985.41-27,583.23-19,099.69

Finding the Fourth Proportional to 19,985.41, 27,583.23 and 19,099.69

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Solution

The fourth proportional to 19,985.41, 27,583.23 and 19,099.69 is: 26,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.41 : 27,583.23 = 19,099.69 : x
  2. Step 2: Convert to fraction form
    19,985.41/27,583.23 = 19,099.69/x
  3. Step 3: Cross multiply
    19,985.41x = 27,583.23 × 19,099.69
  4. Step 4: Simplify right side
    19,985.41x = 526,831,142.20
  5. Step 5: Solve for x
    x = 526,831,142.20/19,985.41
  6. Step 6: Final answer
    x = 26,360.79

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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.