Home / 12,716.57-19,085.79-11,065.39

Finding the Fourth Proportional to 12,716.57, 19,085.79 and 11,065.39

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Solution

The fourth proportional to 12,716.57, 19,085.79 and 11,065.39 is: 16,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.57 : 19,085.79 = 11,065.39 : x
  2. Step 2: Convert to fraction form
    12,716.57/19,085.79 = 11,065.39/x
  3. Step 3: Cross multiply
    12,716.57x = 19,085.79 × 11,065.39
  4. Step 4: Simplify right side
    12,716.57x = 211,191,709.81
  5. Step 5: Solve for x
    x = 211,191,709.81/12,716.57
  6. Step 6: Final answer
    x = 16,607.60

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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.