Home / 19,973.70-27,563.78-11,021.46

Finding the Fourth Proportional to 19,973.70, 27,563.78 and 11,021.46

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Solution

The fourth proportional to 19,973.70, 27,563.78 and 11,021.46 is: 15,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.70 : 27,563.78 = 11,021.46 : x
  2. Step 2: Convert to fraction form
    19,973.70/27,563.78 = 11,021.46/x
  3. Step 3: Cross multiply
    19,973.70x = 27,563.78 × 11,021.46
  4. Step 4: Simplify right side
    19,973.70x = 303,793,098.72
  5. Step 5: Solve for x
    x = 303,793,098.72/19,973.70
  6. Step 6: Final answer
    x = 15,209.66

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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.