Home / 17,855.28-26,823.96-12,602.39

Finding the Fourth Proportional to 17,855.28, 26,823.96 and 12,602.39

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Solution

The fourth proportional to 17,855.28, 26,823.96 and 12,602.39 is: 18,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.28 : 26,823.96 = 12,602.39 : x
  2. Step 2: Convert to fraction form
    17,855.28/26,823.96 = 12,602.39/x
  3. Step 3: Cross multiply
    17,855.28x = 26,823.96 × 12,602.39
  4. Step 4: Simplify right side
    17,855.28x = 338,045,871.14
  5. Step 5: Solve for x
    x = 338,045,871.14/17,855.28
  6. Step 6: Final answer
    x = 18,932.54

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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.