Home / 20,019.86-27,627.40-10,945.26

Finding the Fourth Proportional to 20,019.86, 27,627.40 and 10,945.26

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Solution

The fourth proportional to 20,019.86, 27,627.40 and 10,945.26 is: 15,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.86 : 27,627.40 = 10,945.26 : x
  2. Step 2: Convert to fraction form
    20,019.86/27,627.40 = 10,945.26/x
  3. Step 3: Cross multiply
    20,019.86x = 27,627.40 × 10,945.26
  4. Step 4: Simplify right side
    20,019.86x = 302,389,076.12
  5. Step 5: Solve for x
    x = 302,389,076.12/20,019.86
  6. Step 6: Final answer
    x = 15,104.46

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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.