Home / 13,645.14-20,467.71-4,882.56

Finding the Fourth Proportional to 13,645.14, 20,467.71 and 4,882.56

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Solution

The fourth proportional to 13,645.14, 20,467.71 and 4,882.56 is: 7,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.14 : 20,467.71 = 4,882.56 : x
  2. Step 2: Convert to fraction form
    13,645.14/20,467.71 = 4,882.56/x
  3. Step 3: Cross multiply
    13,645.14x = 20,467.71 × 4,882.56
  4. Step 4: Simplify right side
    13,645.14x = 99,934,822.14
  5. Step 5: Solve for x
    x = 99,934,822.14/13,645.14
  6. Step 6: Final answer
    x = 7,323.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.