Home / 13,373.94-20,031.66-11,573.76

Finding the Fourth Proportional to 13,373.94, 20,031.66 and 11,573.76

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Solution

The fourth proportional to 13,373.94, 20,031.66 and 11,573.76 is: 17,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.94 : 20,031.66 = 11,573.76 : x
  2. Step 2: Convert to fraction form
    13,373.94/20,031.66 = 11,573.76/x
  3. Step 3: Cross multiply
    13,373.94x = 20,031.66 × 11,573.76
  4. Step 4: Simplify right side
    13,373.94x = 231,841,625.24
  5. Step 5: Solve for x
    x = 231,841,625.24/13,373.94
  6. Step 6: Final answer
    x = 17,335.33

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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.