Home / 19,580.54-27,020.67-11,196.50

Finding the Fourth Proportional to 19,580.54, 27,020.67 and 11,196.50

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Solution

The fourth proportional to 19,580.54, 27,020.67 and 11,196.50 is: 15,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.54 : 27,020.67 = 11,196.50 : x
  2. Step 2: Convert to fraction form
    19,580.54/27,020.67 = 11,196.50/x
  3. Step 3: Cross multiply
    19,580.54x = 27,020.67 × 11,196.50
  4. Step 4: Simplify right side
    19,580.54x = 302,536,931.66
  5. Step 5: Solve for x
    x = 302,536,931.66/19,580.54
  6. Step 6: Final answer
    x = 15,450.90

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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.