Home / 13,412.58-18,497.25-8,377.26

Finding the Fourth Proportional to 13,412.58, 18,497.25 and 8,377.26

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Solution

The fourth proportional to 13,412.58, 18,497.25 and 8,377.26 is: 11,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.58 : 18,497.25 = 8,377.26 : x
  2. Step 2: Convert to fraction form
    13,412.58/18,497.25 = 8,377.26/x
  3. Step 3: Cross multiply
    13,412.58x = 18,497.25 × 8,377.26
  4. Step 4: Simplify right side
    13,412.58x = 154,956,272.54
  5. Step 5: Solve for x
    x = 154,956,272.54/13,412.58
  6. Step 6: Final answer
    x = 11,553.05

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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.