Home / 12,444.96-17,039.40-12,401.22

Finding the Fourth Proportional to 12,444.96, 17,039.40 and 12,401.22

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Solution

The fourth proportional to 12,444.96, 17,039.40 and 12,401.22 is: 16,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.96 : 17,039.40 = 12,401.22 : x
  2. Step 2: Convert to fraction form
    12,444.96/17,039.40 = 12,401.22/x
  3. Step 3: Cross multiply
    12,444.96x = 17,039.40 × 12,401.22
  4. Step 4: Simplify right side
    12,444.96x = 211,309,348.07
  5. Step 5: Solve for x
    x = 211,309,348.07/12,444.96
  6. Step 6: Final answer
    x = 16,979.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.