Home / 19,792.32-27,305.28-11,832.72

Finding the Fourth Proportional to 19,792.32, 27,305.28 and 11,832.72

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Solution

The fourth proportional to 19,792.32, 27,305.28 and 11,832.72 is: 16,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.32 : 27,305.28 = 11,832.72 : x
  2. Step 2: Convert to fraction form
    19,792.32/27,305.28 = 11,832.72/x
  3. Step 3: Cross multiply
    19,792.32x = 27,305.28 × 11,832.72
  4. Step 4: Simplify right side
    19,792.32x = 323,095,732.76
  5. Step 5: Solve for x
    x = 323,095,732.76/19,792.32
  6. Step 6: Final answer
    x = 16,324.30

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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.