Home / 18,635.12-27,962.40-17,559.44

Finding the Fourth Proportional to 18,635.12, 27,962.40 and 17,559.44

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Solution

The fourth proportional to 18,635.12, 27,962.40 and 17,559.44 is: 26,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.12 : 27,962.40 = 17,559.44 : x
  2. Step 2: Convert to fraction form
    18,635.12/27,962.40 = 17,559.44/x
  3. Step 3: Cross multiply
    18,635.12x = 27,962.40 × 17,559.44
  4. Step 4: Simplify right side
    18,635.12x = 491,004,085.06
  5. Step 5: Solve for x
    x = 491,004,085.06/18,635.12
  6. Step 6: Final answer
    x = 26,348.32

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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.