Home / 29,154.22-40,229.22-16,405.84

Finding the Fourth Proportional to 29,154.22, 40,229.22 and 16,405.84

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Solution

The fourth proportional to 29,154.22, 40,229.22 and 16,405.84 is: 22,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.22 : 40,229.22 = 16,405.84 : x
  2. Step 2: Convert to fraction form
    29,154.22/40,229.22 = 16,405.84/x
  3. Step 3: Cross multiply
    29,154.22x = 40,229.22 × 16,405.84
  4. Step 4: Simplify right side
    29,154.22x = 659,994,146.64
  5. Step 5: Solve for x
    x = 659,994,146.64/29,154.22
  6. Step 6: Final answer
    x = 22,638.03

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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.