Home / 13,660.92-20,504.73-7,002.72

Finding the Fourth Proportional to 13,660.92, 20,504.73 and 7,002.72

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Solution

The fourth proportional to 13,660.92, 20,504.73 and 7,002.72 is: 10,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.92 : 20,504.73 = 7,002.72 : x
  2. Step 2: Convert to fraction form
    13,660.92/20,504.73 = 7,002.72/x
  3. Step 3: Cross multiply
    13,660.92x = 20,504.73 × 7,002.72
  4. Step 4: Simplify right side
    13,660.92x = 143,588,882.87
  5. Step 5: Solve for x
    x = 143,588,882.87/13,660.92
  6. Step 6: Final answer
    x = 10,510.92

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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.