Home / 18,384.54-27,568.16-12,844.14

Finding the Fourth Proportional to 18,384.54, 27,568.16 and 12,844.14

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Solution

The fourth proportional to 18,384.54, 27,568.16 and 12,844.14 is: 19,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.54 : 27,568.16 = 12,844.14 : x
  2. Step 2: Convert to fraction form
    18,384.54/27,568.16 = 12,844.14/x
  3. Step 3: Cross multiply
    18,384.54x = 27,568.16 × 12,844.14
  4. Step 4: Simplify right side
    18,384.54x = 354,089,306.58
  5. Step 5: Solve for x
    x = 354,089,306.58/18,384.54
  6. Step 6: Final answer
    x = 19,260.17

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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.