Home / 27,155.21-40,735.64-7,433.77

Finding the Fourth Proportional to 27,155.21, 40,735.64 and 7,433.77

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Solution

The fourth proportional to 27,155.21, 40,735.64 and 7,433.77 is: 11,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.21 : 40,735.64 = 7,433.77 : x
  2. Step 2: Convert to fraction form
    27,155.21/40,735.64 = 7,433.77/x
  3. Step 3: Cross multiply
    27,155.21x = 40,735.64 × 7,433.77
  4. Step 4: Simplify right side
    27,155.21x = 302,819,239.55
  5. Step 5: Solve for x
    x = 302,819,239.55/27,155.21
  6. Step 6: Final answer
    x = 11,151.42

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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.