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Finding the Fourth Proportional to 17,491.36, 24,138.16 and 9,938.11

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Solution

The fourth proportional to 17,491.36, 24,138.16 and 9,938.11 is: 13,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491.36 : 24,138.16 = 9,938.11 : x
  2. Step 2: Convert to fraction form
    17,491.36/24,138.16 = 9,938.11/x
  3. Step 3: Cross multiply
    17,491.36x = 24,138.16 × 9,938.11
  4. Step 4: Simplify right side
    17,491.36x = 239,887,689.28
  5. Step 5: Solve for x
    x = 239,887,689.28/17,491.36
  6. Step 6: Final answer
    x = 13,714.64

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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.