Home / 19,973.70-27,563.52-11,021.28

Finding the Fourth Proportional to 19,973.70, 27,563.52 and 11,021.28

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Solution

The fourth proportional to 19,973.70, 27,563.52 and 11,021.28 is: 15,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.70 : 27,563.52 = 11,021.28 : x
  2. Step 2: Convert to fraction form
    19,973.70/27,563.52 = 11,021.28/x
  3. Step 3: Cross multiply
    19,973.70x = 27,563.52 × 11,021.28
  4. Step 4: Simplify right side
    19,973.70x = 303,785,271.71
  5. Step 5: Solve for x
    x = 303,785,271.71/19,973.70
  6. Step 6: Final answer
    x = 15,209.26

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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.