Home / 19,627.05-27,084.74-11,129.94

Finding the Fourth Proportional to 19,627.05, 27,084.74 and 11,129.94

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Solution

The fourth proportional to 19,627.05, 27,084.74 and 11,129.94 is: 15,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.05 : 27,084.74 = 11,129.94 : x
  2. Step 2: Convert to fraction form
    19,627.05/27,084.74 = 11,129.94/x
  3. Step 3: Cross multiply
    19,627.05x = 27,084.74 × 11,129.94
  4. Step 4: Simplify right side
    19,627.05x = 301,451,531.12
  5. Step 5: Solve for x
    x = 301,451,531.12/19,627.05
  6. Step 6: Final answer
    x = 15,358.99

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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.