Home / 17,380.35-23,984.80-9,422.55

Finding the Fourth Proportional to 17,380.35, 23,984.80 and 9,422.55

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Solution

The fourth proportional to 17,380.35, 23,984.80 and 9,422.55 is: 13,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.35 : 23,984.80 = 9,422.55 : x
  2. Step 2: Convert to fraction form
    17,380.35/23,984.80 = 9,422.55/x
  3. Step 3: Cross multiply
    17,380.35x = 23,984.80 × 9,422.55
  4. Step 4: Simplify right side
    17,380.35x = 225,997,953.68
  5. Step 5: Solve for x
    x = 225,997,953.68/17,380.35
  6. Step 6: Final answer
    x = 13,003.07

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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.