Home / 12,553.11-17,313.66-9,194.67

Finding the Fourth Proportional to 12,553.11, 17,313.66 and 9,194.67

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Solution

The fourth proportional to 12,553.11, 17,313.66 and 9,194.67 is: 12,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.11 : 17,313.66 = 9,194.67 : x
  2. Step 2: Convert to fraction form
    12,553.11/17,313.66 = 9,194.67/x
  3. Step 3: Cross multiply
    12,553.11x = 17,313.66 × 9,194.67
  4. Step 4: Simplify right side
    12,553.11x = 159,193,390.19
  5. Step 5: Solve for x
    x = 159,193,390.19/12,553.11
  6. Step 6: Final answer
    x = 12,681.59

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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.