Home / 29,447.68-40,641.48-16,872.46

Finding the Fourth Proportional to 29,447.68, 40,641.48 and 16,872.46

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Solution

The fourth proportional to 29,447.68, 40,641.48 and 16,872.46 is: 23,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.68 : 40,641.48 = 16,872.46 : x
  2. Step 2: Convert to fraction form
    29,447.68/40,641.48 = 16,872.46/x
  3. Step 3: Cross multiply
    29,447.68x = 40,641.48 × 16,872.46
  4. Step 4: Simplify right side
    29,447.68x = 685,721,745.64
  5. Step 5: Solve for x
    x = 685,721,745.64/29,447.68
  6. Step 6: Final answer
    x = 23,286.10

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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.