Home / 19,631.54-27,091.04-11,247.50

Finding the Fourth Proportional to 19,631.54, 27,091.04 and 11,247.50

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Solution

The fourth proportional to 19,631.54, 27,091.04 and 11,247.50 is: 15,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.54 : 27,091.04 = 11,247.50 : x
  2. Step 2: Convert to fraction form
    19,631.54/27,091.04 = 11,247.50/x
  3. Step 3: Cross multiply
    19,631.54x = 27,091.04 × 11,247.50
  4. Step 4: Simplify right side
    19,631.54x = 304,706,472.40
  5. Step 5: Solve for x
    x = 304,706,472.40/19,631.54
  6. Step 6: Final answer
    x = 15,521.27

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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.