Home / 18,690.36-25,792.49-10,192.46

Finding the Fourth Proportional to 18,690.36, 25,792.49 and 10,192.46

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Solution

The fourth proportional to 18,690.36, 25,792.49 and 10,192.46 is: 14,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.36 : 25,792.49 = 10,192.46 : x
  2. Step 2: Convert to fraction form
    18,690.36/25,792.49 = 10,192.46/x
  3. Step 3: Cross multiply
    18,690.36x = 25,792.49 × 10,192.46
  4. Step 4: Simplify right side
    18,690.36x = 262,888,819.14
  5. Step 5: Solve for x
    x = 262,888,819.14/18,690.36
  6. Step 6: Final answer
    x = 14,065.48

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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.