Home / 21,941.50-32,916.36-8,794.90

Finding the Fourth Proportional to 21,941.50, 32,916.36 and 8,794.90

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Solution

The fourth proportional to 21,941.50, 32,916.36 and 8,794.90 is: 13,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.50 : 32,916.36 = 8,794.90 : x
  2. Step 2: Convert to fraction form
    21,941.50/32,916.36 = 8,794.90/x
  3. Step 3: Cross multiply
    21,941.50x = 32,916.36 × 8,794.90
  4. Step 4: Simplify right side
    21,941.50x = 289,496,094.56
  5. Step 5: Solve for x
    x = 289,496,094.56/21,941.50
  6. Step 6: Final answer
    x = 13,194.00

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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.