Home / 21,173.26-31,741.02-8,034.82

Finding the Fourth Proportional to 21,173.26, 31,741.02 and 8,034.82

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Solution

The fourth proportional to 21,173.26, 31,741.02 and 8,034.82 is: 12,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173.26 : 31,741.02 = 8,034.82 : x
  2. Step 2: Convert to fraction form
    21,173.26/31,741.02 = 8,034.82/x
  3. Step 3: Cross multiply
    21,173.26x = 31,741.02 × 8,034.82
  4. Step 4: Simplify right side
    21,173.26x = 255,033,382.32
  5. Step 5: Solve for x
    x = 255,033,382.32/21,173.26
  6. Step 6: Final answer
    x = 12,045.07

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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.