Home / 13,455.05-20,181.54-5,960.93

Finding the Fourth Proportional to 13,455.05, 20,181.54 and 5,960.93

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Solution

The fourth proportional to 13,455.05, 20,181.54 and 5,960.93 is: 8,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.05 : 20,181.54 = 5,960.93 : x
  2. Step 2: Convert to fraction form
    13,455.05/20,181.54 = 5,960.93/x
  3. Step 3: Cross multiply
    13,455.05x = 20,181.54 × 5,960.93
  4. Step 4: Simplify right side
    13,455.05x = 120,300,646.32
  5. Step 5: Solve for x
    x = 120,300,646.32/13,455.05
  6. Step 6: Final answer
    x = 8,940.93

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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.