Home / 29,106.61-43,623.38-12,447.05

Finding the Fourth Proportional to 29,106.61, 43,623.38 and 12,447.05

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Solution

The fourth proportional to 29,106.61, 43,623.38 and 12,447.05 is: 18,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.61 : 43,623.38 = 12,447.05 : x
  2. Step 2: Convert to fraction form
    29,106.61/43,623.38 = 12,447.05/x
  3. Step 3: Cross multiply
    29,106.61x = 43,623.38 × 12,447.05
  4. Step 4: Simplify right side
    29,106.61x = 542,982,173.91
  5. Step 5: Solve for x
    x = 542,982,173.91/29,106.61
  6. Step 6: Final answer
    x = 18,654.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.