Home / 16,401.77-22,645.34-12,618.26

Finding the Fourth Proportional to 16,401.77, 22,645.34 and 12,618.26

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Solution

The fourth proportional to 16,401.77, 22,645.34 and 12,618.26 is: 17,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.77 : 22,645.34 = 12,618.26 : x
  2. Step 2: Convert to fraction form
    16,401.77/22,645.34 = 12,618.26/x
  3. Step 3: Cross multiply
    16,401.77x = 22,645.34 × 12,618.26
  4. Step 4: Simplify right side
    16,401.77x = 285,744,876.07
  5. Step 5: Solve for x
    x = 285,744,876.07/16,401.77
  6. Step 6: Final answer
    x = 17,421.59

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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.