Home / 13,031.52-19,548.42-3,671.61

Finding the Fourth Proportional to 13,031.52, 19,548.42 and 3,671.61

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Solution

The fourth proportional to 13,031.52, 19,548.42 and 3,671.61 is: 5,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.52 : 19,548.42 = 3,671.61 : x
  2. Step 2: Convert to fraction form
    13,031.52/19,548.42 = 3,671.61/x
  3. Step 3: Cross multiply
    13,031.52x = 19,548.42 × 3,671.61
  4. Step 4: Simplify right side
    13,031.52x = 71,774,174.36
  5. Step 5: Solve for x
    x = 71,774,174.36/13,031.52
  6. Step 6: Final answer
    x = 5,507.74

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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.