Home / 19,654.58-27,123.38-11,696.64

Finding the Fourth Proportional to 19,654.58, 27,123.38 and 11,696.64

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Solution

The fourth proportional to 19,654.58, 27,123.38 and 11,696.64 is: 16,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.58 : 27,123.38 = 11,696.64 : x
  2. Step 2: Convert to fraction form
    19,654.58/27,123.38 = 11,696.64/x
  3. Step 3: Cross multiply
    19,654.58x = 27,123.38 × 11,696.64
  4. Step 4: Simplify right side
    19,654.58x = 317,252,352.96
  5. Step 5: Solve for x
    x = 317,252,352.96/19,654.58
  6. Step 6: Final answer
    x = 16,141.40

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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.