Home / 19,927.57-27,497.93-10,974.54

Finding the Fourth Proportional to 19,927.57, 27,497.93 and 10,974.54

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Solution

The fourth proportional to 19,927.57, 27,497.93 and 10,974.54 is: 15,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.57 : 27,497.93 = 10,974.54 : x
  2. Step 2: Convert to fraction form
    19,927.57/27,497.93 = 10,974.54/x
  3. Step 3: Cross multiply
    19,927.57x = 27,497.93 × 10,974.54
  4. Step 4: Simplify right side
    19,927.57x = 301,777,132.70
  5. Step 5: Solve for x
    x = 301,777,132.70/19,927.57
  6. Step 6: Final answer
    x = 15,143.70

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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.