Home / 21,819.33-32,737.23-8,681.00

Finding the Fourth Proportional to 21,819.33, 32,737.23 and 8,681.00

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Solution

The fourth proportional to 21,819.33, 32,737.23 and 8,681.00 is: 13,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819.33 : 32,737.23 = 8,681.00 : x
  2. Step 2: Convert to fraction form
    21,819.33/32,737.23 = 8,681.00/x
  3. Step 3: Cross multiply
    21,819.33x = 32,737.23 × 8,681.00
  4. Step 4: Simplify right side
    21,819.33x = 284,191,729.94
  5. Step 5: Solve for x
    x = 284,191,729.94/21,819.33
  6. Step 6: Final answer
    x = 13,024.77

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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.