Home / 17,865.68-26,790.92-7,328.48

Finding the Fourth Proportional to 17,865.68, 26,790.92 and 7,328.48

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Solution

The fourth proportional to 17,865.68, 26,790.92 and 7,328.48 is: 10,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.68 : 26,790.92 = 7,328.48 : x
  2. Step 2: Convert to fraction form
    17,865.68/26,790.92 = 7,328.48/x
  3. Step 3: Cross multiply
    17,865.68x = 26,790.92 × 7,328.48
  4. Step 4: Simplify right side
    17,865.68x = 196,336,721.40
  5. Step 5: Solve for x
    x = 196,336,721.40/17,865.68
  6. Step 6: Final answer
    x = 10,989.60

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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.