Home / 18,949.76-28,424.64-7,263

Finding the Fourth Proportional to 18,949.76, 28,424.64 and 7,263

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Solution

The fourth proportional to 18,949.76, 28,424.64 and 7,263 is: 10,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.76 : 28,424.64 = 7,263 : x
  2. Step 2: Convert to fraction form
    18,949.76/28,424.64 = 7,263/x
  3. Step 3: Cross multiply
    18,949.76x = 28,424.64 × 7,263
  4. Step 4: Simplify right side
    18,949.76x = 206,448,160.32
  5. Step 5: Solve for x
    x = 206,448,160.32/18,949.76
  6. Step 6: Final answer
    x = 10,894.50

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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.