Home / 18,650.85-25,735.88-11,097.51

Finding the Fourth Proportional to 18,650.85, 25,735.88 and 11,097.51

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Solution

The fourth proportional to 18,650.85, 25,735.88 and 11,097.51 is: 15,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.85 : 25,735.88 = 11,097.51 : x
  2. Step 2: Convert to fraction form
    18,650.85/25,735.88 = 11,097.51/x
  3. Step 3: Cross multiply
    18,650.85x = 25,735.88 × 11,097.51
  4. Step 4: Simplify right side
    18,650.85x = 285,604,130.17
  5. Step 5: Solve for x
    x = 285,604,130.17/18,650.85
  6. Step 6: Final answer
    x = 15,313.20

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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.