Home / 18,690.39-25,792.07-10,192.37

Finding the Fourth Proportional to 18,690.39, 25,792.07 and 10,192.37

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Solution

The fourth proportional to 18,690.39, 25,792.07 and 10,192.37 is: 14,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.39 : 25,792.07 = 10,192.37 : x
  2. Step 2: Convert to fraction form
    18,690.39/25,792.07 = 10,192.37/x
  3. Step 3: Cross multiply
    18,690.39x = 25,792.07 × 10,192.37
  4. Step 4: Simplify right side
    18,690.39x = 262,882,140.58
  5. Step 5: Solve for x
    x = 262,882,140.58/18,690.39
  6. Step 6: Final answer
    x = 14,065.10

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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.