Home / 20,265.96-27,953.37-17,608.80

Finding the Fourth Proportional to 20,265.96, 27,953.37 and 17,608.80

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Solution

The fourth proportional to 20,265.96, 27,953.37 and 17,608.80 is: 24,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.96 : 27,953.37 = 17,608.80 : x
  2. Step 2: Convert to fraction form
    20,265.96/27,953.37 = 17,608.80/x
  3. Step 3: Cross multiply
    20,265.96x = 27,953.37 × 17,608.80
  4. Step 4: Simplify right side
    20,265.96x = 492,225,301.66
  5. Step 5: Solve for x
    x = 492,225,301.66/20,265.96
  6. Step 6: Final answer
    x = 24,288.28

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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.