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Finding the Fourth Proportional to 17,915, 24,712.58 and 11,192.44

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Solution

The fourth proportional to 17,915, 24,712.58 and 11,192.44 is: 15,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915 : 24,712.58 = 11,192.44 : x
  2. Step 2: Convert to fraction form
    17,915/24,712.58 = 11,192.44/x
  3. Step 3: Cross multiply
    17,915x = 24,712.58 × 11,192.44
  4. Step 4: Simplify right side
    17,915x = 276,594,068.90
  5. Step 5: Solve for x
    x = 276,594,068.90/17,915
  6. Step 6: Final answer
    x = 15,439.24

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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.