Home / 17,422.80-26,134.20-10,845.60

Finding the Fourth Proportional to 17,422.80, 26,134.20 and 10,845.60

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Solution

The fourth proportional to 17,422.80, 26,134.20 and 10,845.60 is: 16,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,422.80 : 26,134.20 = 10,845.60 : x
  2. Step 2: Convert to fraction form
    17,422.80/26,134.20 = 10,845.60/x
  3. Step 3: Cross multiply
    17,422.80x = 26,134.20 × 10,845.60
  4. Step 4: Simplify right side
    17,422.80x = 283,441,079.52
  5. Step 5: Solve for x
    x = 283,441,079.52/17,422.80
  6. Step 6: Final answer
    x = 16,268.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.