Home / 20,004.90-27,608.37-11,053.19

Finding the Fourth Proportional to 20,004.90, 27,608.37 and 11,053.19

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Solution

The fourth proportional to 20,004.90, 27,608.37 and 11,053.19 is: 15,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.90 : 27,608.37 = 11,053.19 : x
  2. Step 2: Convert to fraction form
    20,004.90/27,608.37 = 11,053.19/x
  3. Step 3: Cross multiply
    20,004.90x = 27,608.37 × 11,053.19
  4. Step 4: Simplify right side
    20,004.90x = 305,160,421.16
  5. Step 5: Solve for x
    x = 305,160,421.16/20,004.90
  6. Step 6: Final answer
    x = 15,254.28

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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.