Home / 21,905.43-32,827.09-16,952.01

Finding the Fourth Proportional to 21,905.43, 32,827.09 and 16,952.01

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Solution

The fourth proportional to 21,905.43, 32,827.09 and 16,952.01 is: 25,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.43 : 32,827.09 = 16,952.01 : x
  2. Step 2: Convert to fraction form
    21,905.43/32,827.09 = 16,952.01/x
  3. Step 3: Cross multiply
    21,905.43x = 32,827.09 × 16,952.01
  4. Step 4: Simplify right side
    21,905.43x = 556,485,157.95
  5. Step 5: Solve for x
    x = 556,485,157.95/21,905.43
  6. Step 6: Final answer
    x = 25,403.98

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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.