Home / 19,348.06-29,022.08-12,772.70

Finding the Fourth Proportional to 19,348.06, 29,022.08 and 12,772.70

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Solution

The fourth proportional to 19,348.06, 29,022.08 and 12,772.70 is: 19,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.06 : 29,022.08 = 12,772.70 : x
  2. Step 2: Convert to fraction form
    19,348.06/29,022.08 = 12,772.70/x
  3. Step 3: Cross multiply
    19,348.06x = 29,022.08 × 12,772.70
  4. Step 4: Simplify right side
    19,348.06x = 370,690,321.22
  5. Step 5: Solve for x
    x = 370,690,321.22/19,348.06
  6. Step 6: Final answer
    x = 19,159.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.