Home / 19,627.07-27,084.77-11,129.96

Finding the Fourth Proportional to 19,627.07, 27,084.77 and 11,129.96

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Solution

The fourth proportional to 19,627.07, 27,084.77 and 11,129.96 is: 15,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.07 : 27,084.77 = 11,129.96 : x
  2. Step 2: Convert to fraction form
    19,627.07/27,084.77 = 11,129.96/x
  3. Step 3: Cross multiply
    19,627.07x = 27,084.77 × 11,129.96
  4. Step 4: Simplify right side
    19,627.07x = 301,452,418.77
  5. Step 5: Solve for x
    x = 301,452,418.77/19,627.07
  6. Step 6: Final answer
    x = 15,359.02

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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.