Home / 23,789.61-32,829.35-13,179.20

Finding the Fourth Proportional to 23,789.61, 32,829.35 and 13,179.20

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Solution

The fourth proportional to 23,789.61, 32,829.35 and 13,179.20 is: 18,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.61 : 32,829.35 = 13,179.20 : x
  2. Step 2: Convert to fraction form
    23,789.61/32,829.35 = 13,179.20/x
  3. Step 3: Cross multiply
    23,789.61x = 32,829.35 × 13,179.20
  4. Step 4: Simplify right side
    23,789.61x = 432,664,339.48
  5. Step 5: Solve for x
    x = 432,664,339.48/23,789.61
  6. Step 6: Final answer
    x = 18,187.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.