Home / 18,604.58-25,667.97-11,528.42

Finding the Fourth Proportional to 18,604.58, 25,667.97 and 11,528.42

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Solution

The fourth proportional to 18,604.58, 25,667.97 and 11,528.42 is: 15,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.58 : 25,667.97 = 11,528.42 : x
  2. Step 2: Convert to fraction form
    18,604.58/25,667.97 = 11,528.42/x
  3. Step 3: Cross multiply
    18,604.58x = 25,667.97 × 11,528.42
  4. Step 4: Simplify right side
    18,604.58x = 295,911,138.71
  5. Step 5: Solve for x
    x = 295,911,138.71/18,604.58
  6. Step 6: Final answer
    x = 15,905.28

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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.