Home / 13,342.92-19,916.68-11,766.56

Finding the Fourth Proportional to 13,342.92, 19,916.68 and 11,766.56

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Solution

The fourth proportional to 13,342.92, 19,916.68 and 11,766.56 is: 17,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.92 : 19,916.68 = 11,766.56 : x
  2. Step 2: Convert to fraction form
    13,342.92/19,916.68 = 11,766.56/x
  3. Step 3: Cross multiply
    13,342.92x = 19,916.68 × 11,766.56
  4. Step 4: Simplify right side
    13,342.92x = 234,350,701.60
  5. Step 5: Solve for x
    x = 234,350,701.60/13,342.92
  6. Step 6: Final answer
    x = 17,563.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.