Home / 19,563.12-26,996.90-11,065.11

Finding the Fourth Proportional to 19,563.12, 26,996.90 and 11,065.11

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Solution

The fourth proportional to 19,563.12, 26,996.90 and 11,065.11 is: 15,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.12 : 26,996.90 = 11,065.11 : x
  2. Step 2: Convert to fraction form
    19,563.12/26,996.90 = 11,065.11/x
  3. Step 3: Cross multiply
    19,563.12x = 26,996.90 × 11,065.11
  4. Step 4: Simplify right side
    19,563.12x = 298,723,511.60
  5. Step 5: Solve for x
    x = 298,723,511.60/19,563.12
  6. Step 6: Final answer
    x = 15,269.73

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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.