Home / 12,927.72-17,821.44-10,276.20

Finding the Fourth Proportional to 12,927.72, 17,821.44 and 10,276.20

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Solution

The fourth proportional to 12,927.72, 17,821.44 and 10,276.20 is: 14,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.72 : 17,821.44 = 10,276.20 : x
  2. Step 2: Convert to fraction form
    12,927.72/17,821.44 = 10,276.20/x
  3. Step 3: Cross multiply
    12,927.72x = 17,821.44 × 10,276.20
  4. Step 4: Simplify right side
    12,927.72x = 183,136,681.73
  5. Step 5: Solve for x
    x = 183,136,681.73/12,927.72
  6. Step 6: Final answer
    x = 14,166.20

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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.