Home / 18,578.49-25,636.61-11,023.52

Finding the Fourth Proportional to 18,578.49, 25,636.61 and 11,023.52

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Solution

The fourth proportional to 18,578.49, 25,636.61 and 11,023.52 is: 15,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.49 : 25,636.61 = 11,023.52 : x
  2. Step 2: Convert to fraction form
    18,578.49/25,636.61 = 11,023.52/x
  3. Step 3: Cross multiply
    18,578.49x = 25,636.61 × 11,023.52
  4. Step 4: Simplify right side
    18,578.49x = 282,605,582.44
  5. Step 5: Solve for x
    x = 282,605,582.44/18,578.49
  6. Step 6: Final answer
    x = 15,211.44

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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.