Home / 21,696.37-32,574.66-11,173.90

Finding the Fourth Proportional to 21,696.37, 32,574.66 and 11,173.90

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Solution

The fourth proportional to 21,696.37, 32,574.66 and 11,173.90 is: 16,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.37 : 32,574.66 = 11,173.90 : x
  2. Step 2: Convert to fraction form
    21,696.37/32,574.66 = 11,173.90/x
  3. Step 3: Cross multiply
    21,696.37x = 32,574.66 × 11,173.90
  4. Step 4: Simplify right side
    21,696.37x = 363,985,911.94
  5. Step 5: Solve for x
    x = 363,985,911.94/21,696.37
  6. Step 6: Final answer
    x = 16,776.35

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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.