Home / 19,580.35-27,019.96-10,627.78

Finding the Fourth Proportional to 19,580.35, 27,019.96 and 10,627.78

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Solution

The fourth proportional to 19,580.35, 27,019.96 and 10,627.78 is: 14,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.35 : 27,019.96 = 10,627.78 : x
  2. Step 2: Convert to fraction form
    19,580.35/27,019.96 = 10,627.78/x
  3. Step 3: Cross multiply
    19,580.35x = 27,019.96 × 10,627.78
  4. Step 4: Simplify right side
    19,580.35x = 287,162,190.49
  5. Step 5: Solve for x
    x = 287,162,190.49/19,580.35
  6. Step 6: Final answer
    x = 14,665.84

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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.