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Finding the Fourth Proportional to 17,921.52, 24,668.04 and 13,133.04

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Solution

The fourth proportional to 17,921.52, 24,668.04 and 13,133.04 is: 18,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.52 : 24,668.04 = 13,133.04 : x
  2. Step 2: Convert to fraction form
    17,921.52/24,668.04 = 13,133.04/x
  3. Step 3: Cross multiply
    17,921.52x = 24,668.04 × 13,133.04
  4. Step 4: Simplify right side
    17,921.52x = 323,966,356.04
  5. Step 5: Solve for x
    x = 323,966,356.04/17,921.52
  6. Step 6: Final answer
    x = 18,076.95

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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.