Home / 13,031.36-19,546.72-11,271.04

Finding the Fourth Proportional to 13,031.36, 19,546.72 and 11,271.04

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Solution

The fourth proportional to 13,031.36, 19,546.72 and 11,271.04 is: 16,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.36 : 19,546.72 = 11,271.04 : x
  2. Step 2: Convert to fraction form
    13,031.36/19,546.72 = 11,271.04/x
  3. Step 3: Cross multiply
    13,031.36x = 19,546.72 × 11,271.04
  4. Step 4: Simplify right side
    13,031.36x = 220,311,862.99
  5. Step 5: Solve for x
    x = 220,311,862.99/13,031.36
  6. Step 6: Final answer
    x = 16,906.28

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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.