Home / 17,254.21-25,918.17-12,355.33

Finding the Fourth Proportional to 17,254.21, 25,918.17 and 12,355.33

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Solution

The fourth proportional to 17,254.21, 25,918.17 and 12,355.33 is: 18,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.21 : 25,918.17 = 12,355.33 : x
  2. Step 2: Convert to fraction form
    17,254.21/25,918.17 = 12,355.33/x
  3. Step 3: Cross multiply
    17,254.21x = 25,918.17 × 12,355.33
  4. Step 4: Simplify right side
    17,254.21x = 320,227,543.35
  5. Step 5: Solve for x
    x = 320,227,543.35/17,254.21
  6. Step 6: Final answer
    x = 18,559.39

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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.