Home / 21,665.88-32,513.40-16,125.48

Finding the Fourth Proportional to 21,665.88, 32,513.40 and 16,125.48

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Solution

The fourth proportional to 21,665.88, 32,513.40 and 16,125.48 is: 24,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.88 : 32,513.40 = 16,125.48 : x
  2. Step 2: Convert to fraction form
    21,665.88/32,513.40 = 16,125.48/x
  3. Step 3: Cross multiply
    21,665.88x = 32,513.40 × 16,125.48
  4. Step 4: Simplify right side
    21,665.88x = 524,294,181.43
  5. Step 5: Solve for x
    x = 524,294,181.43/21,665.88
  6. Step 6: Final answer
    x = 24,199.07

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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.