Home / 29,620.20-40,874.67-16,191.63

Finding the Fourth Proportional to 29,620.20, 40,874.67 and 16,191.63

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Solution

The fourth proportional to 29,620.20, 40,874.67 and 16,191.63 is: 22,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.20 : 40,874.67 = 16,191.63 : x
  2. Step 2: Convert to fraction form
    29,620.20/40,874.67 = 16,191.63/x
  3. Step 3: Cross multiply
    29,620.20x = 40,874.67 × 16,191.63
  4. Step 4: Simplify right side
    29,620.20x = 661,827,533.01
  5. Step 5: Solve for x
    x = 661,827,533.01/29,620.20
  6. Step 6: Final answer
    x = 22,343.79

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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.