Home / 19,973.60-27,563.67-11,021.12

Finding the Fourth Proportional to 19,973.60, 27,563.67 and 11,021.12

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Solution

The fourth proportional to 19,973.60, 27,563.67 and 11,021.12 is: 15,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.60 : 27,563.67 = 11,021.12 : x
  2. Step 2: Convert to fraction form
    19,973.60/27,563.67 = 11,021.12/x
  3. Step 3: Cross multiply
    19,973.60x = 27,563.67 × 11,021.12
  4. Step 4: Simplify right side
    19,973.60x = 303,782,376.89
  5. Step 5: Solve for x
    x = 303,782,376.89/19,973.60
  6. Step 6: Final answer
    x = 15,209.19

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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.