Home / 19,268.44-28,888.68-13,012.96

Finding the Fourth Proportional to 19,268.44, 28,888.68 and 13,012.96

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Solution

The fourth proportional to 19,268.44, 28,888.68 and 13,012.96 is: 19,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.44 : 28,888.68 = 13,012.96 : x
  2. Step 2: Convert to fraction form
    19,268.44/28,888.68 = 13,012.96/x
  3. Step 3: Cross multiply
    19,268.44x = 28,888.68 × 13,012.96
  4. Step 4: Simplify right side
    19,268.44x = 375,927,237.29
  5. Step 5: Solve for x
    x = 375,927,237.29/19,268.44
  6. Step 6: Final answer
    x = 19,510.00

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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.