Home / 19,816.10-27,346.74-11,201.60

Finding the Fourth Proportional to 19,816.10, 27,346.74 and 11,201.60

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Solution

The fourth proportional to 19,816.10, 27,346.74 and 11,201.60 is: 15,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.10 : 27,346.74 = 11,201.60 : x
  2. Step 2: Convert to fraction form
    19,816.10/27,346.74 = 11,201.60/x
  3. Step 3: Cross multiply
    19,816.10x = 27,346.74 × 11,201.60
  4. Step 4: Simplify right side
    19,816.10x = 306,327,242.78
  5. Step 5: Solve for x
    x = 306,327,242.78/19,816.10
  6. Step 6: Final answer
    x = 15,458.50

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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.