Home / 18,529.58-25,573.30-10,975.32

Finding the Fourth Proportional to 18,529.58, 25,573.30 and 10,975.32

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Solution

The fourth proportional to 18,529.58, 25,573.30 and 10,975.32 is: 15,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.58 : 25,573.30 = 10,975.32 : x
  2. Step 2: Convert to fraction form
    18,529.58/25,573.30 = 10,975.32/x
  3. Step 3: Cross multiply
    18,529.58x = 25,573.30 × 10,975.32
  4. Step 4: Simplify right side
    18,529.58x = 280,675,150.96
  5. Step 5: Solve for x
    x = 280,675,150.96/18,529.58
  6. Step 6: Final answer
    x = 15,147.41

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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.