Home / 18,829.62-25,973.58-12,456.36

Finding the Fourth Proportional to 18,829.62, 25,973.58 and 12,456.36

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Solution

The fourth proportional to 18,829.62, 25,973.58 and 12,456.36 is: 17,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.62 : 25,973.58 = 12,456.36 : x
  2. Step 2: Convert to fraction form
    18,829.62/25,973.58 = 12,456.36/x
  3. Step 3: Cross multiply
    18,829.62x = 25,973.58 × 12,456.36
  4. Step 4: Simplify right side
    18,829.62x = 323,536,262.97
  5. Step 5: Solve for x
    x = 323,536,262.97/18,829.62
  6. Step 6: Final answer
    x = 17,182.30

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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.