Home / 19,933.31-27,508.19-10,980.62

Finding the Fourth Proportional to 19,933.31, 27,508.19 and 10,980.62

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Solution

The fourth proportional to 19,933.31, 27,508.19 and 10,980.62 is: 15,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.31 : 27,508.19 = 10,980.62 : x
  2. Step 2: Convert to fraction form
    19,933.31/27,508.19 = 10,980.62/x
  3. Step 3: Cross multiply
    19,933.31x = 27,508.19 × 10,980.62
  4. Step 4: Simplify right side
    19,933.31x = 302,056,788.83
  5. Step 5: Solve for x
    x = 302,056,788.83/19,933.31
  6. Step 6: Final answer
    x = 15,153.37

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1.5x scale

Why These Related Problems?

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