Home / 17,241.89-25,875.68-12,809.88

Finding the Fourth Proportional to 17,241.89, 25,875.68 and 12,809.88

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Solution

The fourth proportional to 17,241.89, 25,875.68 and 12,809.88 is: 19,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.89 : 25,875.68 = 12,809.88 : x
  2. Step 2: Convert to fraction form
    17,241.89/25,875.68 = 12,809.88/x
  3. Step 3: Cross multiply
    17,241.89x = 25,875.68 × 12,809.88
  4. Step 4: Simplify right side
    17,241.89x = 331,464,291.67
  5. Step 5: Solve for x
    x = 331,464,291.67/17,241.89
  6. Step 6: Final answer
    x = 19,224.36

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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.