Home / 13,031.36-19,548.19-3,671.46

Finding the Fourth Proportional to 13,031.36, 19,548.19 and 3,671.46

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Solution

The fourth proportional to 13,031.36, 19,548.19 and 3,671.46 is: 5,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.36 : 19,548.19 = 3,671.46 : x
  2. Step 2: Convert to fraction form
    13,031.36/19,548.19 = 3,671.46/x
  3. Step 3: Cross multiply
    13,031.36x = 19,548.19 × 3,671.46
  4. Step 4: Simplify right side
    13,031.36x = 71,770,402.25
  5. Step 5: Solve for x
    x = 71,770,402.25/13,031.36
  6. Step 6: Final answer
    x = 5,507.51

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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.