Home / 21,712.81-32,520.00-17,003.47

Finding the Fourth Proportional to 21,712.81, 32,520.00 and 17,003.47

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Solution

The fourth proportional to 21,712.81, 32,520.00 and 17,003.47 is: 25,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.81 : 32,520.00 = 17,003.47 : x
  2. Step 2: Convert to fraction form
    21,712.81/32,520.00 = 17,003.47/x
  3. Step 3: Cross multiply
    21,712.81x = 32,520.00 × 17,003.47
  4. Step 4: Simplify right side
    21,712.81x = 552,952,596.78
  5. Step 5: Solve for x
    x = 552,952,596.78/21,712.81
  6. Step 6: Final answer
    x = 25,466.66

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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.