Home / 29,415.20-40,589.16-16,666.88

Finding the Fourth Proportional to 29,415.20, 40,589.16 and 16,666.88

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Solution

The fourth proportional to 29,415.20, 40,589.16 and 16,666.88 is: 22,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.20 : 40,589.16 = 16,666.88 : x
  2. Step 2: Convert to fraction form
    29,415.20/40,589.16 = 16,666.88/x
  3. Step 3: Cross multiply
    29,415.20x = 40,589.16 × 16,666.88
  4. Step 4: Simplify right side
    29,415.20x = 676,494,659.02
  5. Step 5: Solve for x
    x = 676,494,659.02/29,415.20
  6. Step 6: Final answer
    x = 22,998.13

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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.