Home / 17,711.82-26,558.76-7,854.12

Finding the Fourth Proportional to 17,711.82, 26,558.76 and 7,854.12

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Solution

The fourth proportional to 17,711.82, 26,558.76 and 7,854.12 is: 11,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.82 : 26,558.76 = 7,854.12 : x
  2. Step 2: Convert to fraction form
    17,711.82/26,558.76 = 7,854.12/x
  3. Step 3: Cross multiply
    17,711.82x = 26,558.76 × 7,854.12
  4. Step 4: Simplify right side
    17,711.82x = 208,595,688.09
  5. Step 5: Solve for x
    x = 208,595,688.09/17,711.82
  6. Step 6: Final answer
    x = 11,777.20

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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.