Home / 18,765.96-25,897.05-10,268.88

Finding the Fourth Proportional to 18,765.96, 25,897.05 and 10,268.88

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Solution

The fourth proportional to 18,765.96, 25,897.05 and 10,268.88 is: 14,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.96 : 25,897.05 = 10,268.88 : x
  2. Step 2: Convert to fraction form
    18,765.96/25,897.05 = 10,268.88/x
  3. Step 3: Cross multiply
    18,765.96x = 25,897.05 × 10,268.88
  4. Step 4: Simplify right side
    18,765.96x = 265,933,698.80
  5. Step 5: Solve for x
    x = 265,933,698.80/18,765.96
  6. Step 6: Final answer
    x = 14,171.07

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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.