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Finding the Fourth Proportional to 19,176, 26,464.32 and 10,792.32

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Solution

The fourth proportional to 19,176, 26,464.32 and 10,792.32 is: 14,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176 : 26,464.32 = 10,792.32 : x
  2. Step 2: Convert to fraction form
    19,176/26,464.32 = 10,792.32/x
  3. Step 3: Cross multiply
    19,176x = 26,464.32 × 10,792.32
  4. Step 4: Simplify right side
    19,176x = 285,611,410.02
  5. Step 5: Solve for x
    x = 285,611,410.02/19,176
  6. Step 6: Final answer
    x = 14,894.21

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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.