Home / 16,122.22-22,259.51-12,338.63

Finding the Fourth Proportional to 16,122.22, 22,259.51 and 12,338.63

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Solution

The fourth proportional to 16,122.22, 22,259.51 and 12,338.63 is: 17,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.22 : 22,259.51 = 12,338.63 : x
  2. Step 2: Convert to fraction form
    16,122.22/22,259.51 = 12,338.63/x
  3. Step 3: Cross multiply
    16,122.22x = 22,259.51 × 12,338.63
  4. Step 4: Simplify right side
    16,122.22x = 274,651,684.88
  5. Step 5: Solve for x
    x = 274,651,684.88/16,122.22
  6. Step 6: Final answer
    x = 17,035.60

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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.