Home / 19,905.92-27,476.32-12,832.32

Finding the Fourth Proportional to 19,905.92, 27,476.32 and 12,832.32

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Solution

The fourth proportional to 19,905.92, 27,476.32 and 12,832.32 is: 17,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.92 : 27,476.32 = 12,832.32 : x
  2. Step 2: Convert to fraction form
    19,905.92/27,476.32 = 12,832.32/x
  3. Step 3: Cross multiply
    19,905.92x = 27,476.32 × 12,832.32
  4. Step 4: Simplify right side
    19,905.92x = 352,584,930.66
  5. Step 5: Solve for x
    x = 352,584,930.66/19,905.92
  6. Step 6: Final answer
    x = 17,712.57

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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.