Home / 19,679.92-27,158.04-11,296.24

Finding the Fourth Proportional to 19,679.92, 27,158.04 and 11,296.24

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Solution

The fourth proportional to 19,679.92, 27,158.04 and 11,296.24 is: 15,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.92 : 27,158.04 = 11,296.24 : x
  2. Step 2: Convert to fraction form
    19,679.92/27,158.04 = 11,296.24/x
  3. Step 3: Cross multiply
    19,679.92x = 27,158.04 × 11,296.24
  4. Step 4: Simplify right side
    19,679.92x = 306,783,737.77
  5. Step 5: Solve for x
    x = 306,783,737.77/19,679.92
  6. Step 6: Final answer
    x = 15,588.67

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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.