Home / 17,388.77-23,987.61-11,004.57

Finding the Fourth Proportional to 17,388.77, 23,987.61 and 11,004.57

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Solution

The fourth proportional to 17,388.77, 23,987.61 and 11,004.57 is: 15,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.77 : 23,987.61 = 11,004.57 : x
  2. Step 2: Convert to fraction form
    17,388.77/23,987.61 = 11,004.57/x
  3. Step 3: Cross multiply
    17,388.77x = 23,987.61 × 11,004.57
  4. Step 4: Simplify right side
    17,388.77x = 263,973,333.38
  5. Step 5: Solve for x
    x = 263,973,333.38/17,388.77
  6. Step 6: Final answer
    x = 15,180.68

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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.