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Finding the Fourth Proportional to 15,896.16, 21,927.60 and 14,012.28

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Solution

The fourth proportional to 15,896.16, 21,927.60 and 14,012.28 is: 19,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.16 : 21,927.60 = 14,012.28 : x
  2. Step 2: Convert to fraction form
    15,896.16/21,927.60 = 14,012.28/x
  3. Step 3: Cross multiply
    15,896.16x = 21,927.60 × 14,012.28
  4. Step 4: Simplify right side
    15,896.16x = 307,255,670.93
  5. Step 5: Solve for x
    x = 307,255,670.93/15,896.16
  6. Step 6: Final answer
    x = 19,328.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.