Home / 19,324.90-28,943.34-11,517.58

Finding the Fourth Proportional to 19,324.90, 28,943.34 and 11,517.58

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Solution

The fourth proportional to 19,324.90, 28,943.34 and 11,517.58 is: 17,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.90 : 28,943.34 = 11,517.58 : x
  2. Step 2: Convert to fraction form
    19,324.90/28,943.34 = 11,517.58/x
  3. Step 3: Cross multiply
    19,324.90x = 28,943.34 × 11,517.58
  4. Step 4: Simplify right side
    19,324.90x = 333,357,233.92
  5. Step 5: Solve for x
    x = 333,357,233.92/19,324.90
  6. Step 6: Final answer
    x = 17,250.14

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1.5x scale

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.