Home / 18,654.08-25,744.96-11,581.56

Finding the Fourth Proportional to 18,654.08, 25,744.96 and 11,581.56

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Solution

The fourth proportional to 18,654.08, 25,744.96 and 11,581.56 is: 15,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.08 : 25,744.96 = 11,581.56 : x
  2. Step 2: Convert to fraction form
    18,654.08/25,744.96 = 11,581.56/x
  3. Step 3: Cross multiply
    18,654.08x = 25,744.96 × 11,581.56
  4. Step 4: Simplify right side
    18,654.08x = 298,166,798.94
  5. Step 5: Solve for x
    x = 298,166,798.94/18,654.08
  6. Step 6: Final answer
    x = 15,984.00

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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.