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Finding the Fourth Proportional to 17,873.44, 24,649.20 and 11,159.68

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Solution

The fourth proportional to 17,873.44, 24,649.20 and 11,159.68 is: 15,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.44 : 24,649.20 = 11,159.68 : x
  2. Step 2: Convert to fraction form
    17,873.44/24,649.20 = 11,159.68/x
  3. Step 3: Cross multiply
    17,873.44x = 24,649.20 × 11,159.68
  4. Step 4: Simplify right side
    17,873.44x = 275,077,184.26
  5. Step 5: Solve for x
    x = 275,077,184.26/17,873.44
  6. Step 6: Final answer
    x = 15,390.28

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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.