Home / 13,024.55-17,974.04-7,718.36

Finding the Fourth Proportional to 13,024.55, 17,974.04 and 7,718.36

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Solution

The fourth proportional to 13,024.55, 17,974.04 and 7,718.36 is: 10,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.55 : 17,974.04 = 7,718.36 : x
  2. Step 2: Convert to fraction form
    13,024.55/17,974.04 = 7,718.36/x
  3. Step 3: Cross multiply
    13,024.55x = 17,974.04 × 7,718.36
  4. Step 4: Simplify right side
    13,024.55x = 138,729,982.91
  5. Step 5: Solve for x
    x = 138,729,982.91/13,024.55
  6. Step 6: Final answer
    x = 10,651.42

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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.