Home / 18,735.39-25,851.72-11,184.77

Finding the Fourth Proportional to 18,735.39, 25,851.72 and 11,184.77

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Solution

The fourth proportional to 18,735.39, 25,851.72 and 11,184.77 is: 15,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.39 : 25,851.72 = 11,184.77 : x
  2. Step 2: Convert to fraction form
    18,735.39/25,851.72 = 11,184.77/x
  3. Step 3: Cross multiply
    18,735.39x = 25,851.72 × 11,184.77
  4. Step 4: Simplify right side
    18,735.39x = 289,145,542.30
  5. Step 5: Solve for x
    x = 289,145,542.30/18,735.39
  6. Step 6: Final answer
    x = 15,433.12

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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.