Home / 19,973.88-27,564.05-11,021.64

Finding the Fourth Proportional to 19,973.88, 27,564.05 and 11,021.64

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Solution

The fourth proportional to 19,973.88, 27,564.05 and 11,021.64 is: 15,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.88 : 27,564.05 = 11,021.64 : x
  2. Step 2: Convert to fraction form
    19,973.88/27,564.05 = 11,021.64/x
  3. Step 3: Cross multiply
    19,973.88x = 27,564.05 × 11,021.64
  4. Step 4: Simplify right side
    19,973.88x = 303,800,980.93
  5. Step 5: Solve for x
    x = 303,800,980.93/19,973.88
  6. Step 6: Final answer
    x = 15,209.91

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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.