Home / 19,953.23-27,535.31-10,878.56

Finding the Fourth Proportional to 19,953.23, 27,535.31 and 10,878.56

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Solution

The fourth proportional to 19,953.23, 27,535.31 and 10,878.56 is: 15,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.23 : 27,535.31 = 10,878.56 : x
  2. Step 2: Convert to fraction form
    19,953.23/27,535.31 = 10,878.56/x
  3. Step 3: Cross multiply
    19,953.23x = 27,535.31 × 10,878.56
  4. Step 4: Simplify right side
    19,953.23x = 299,544,329.88
  5. Step 5: Solve for x
    x = 299,544,329.88/19,953.23
  6. Step 6: Final answer
    x = 15,012.33

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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.