Home / 21,916.73-32,875.37-6,120.81

Finding the Fourth Proportional to 21,916.73, 32,875.37 and 6,120.81

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Solution

The fourth proportional to 21,916.73, 32,875.37 and 6,120.81 is: 9,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916.73 : 32,875.37 = 6,120.81 : x
  2. Step 2: Convert to fraction form
    21,916.73/32,875.37 = 6,120.81/x
  3. Step 3: Cross multiply
    21,916.73x = 32,875.37 × 6,120.81
  4. Step 4: Simplify right side
    21,916.73x = 201,223,862.85
  5. Step 5: Solve for x
    x = 201,223,862.85/21,916.73
  6. Step 6: Final answer
    x = 9,181.29

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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.