Home / 13,933.62-20,907.60-9,256.86

Finding the Fourth Proportional to 13,933.62, 20,907.60 and 9,256.86

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Solution

The fourth proportional to 13,933.62, 20,907.60 and 9,256.86 is: 13,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.62 : 20,907.60 = 9,256.86 : x
  2. Step 2: Convert to fraction form
    13,933.62/20,907.60 = 9,256.86/x
  3. Step 3: Cross multiply
    13,933.62x = 20,907.60 × 9,256.86
  4. Step 4: Simplify right side
    13,933.62x = 193,538,726.14
  5. Step 5: Solve for x
    x = 193,538,726.14/13,933.62
  6. Step 6: Final answer
    x = 13,890.05

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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.