Home / 21,725.88-32,516.47-16,431.72

Finding the Fourth Proportional to 21,725.88, 32,516.47 and 16,431.72

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Solution

The fourth proportional to 21,725.88, 32,516.47 and 16,431.72 is: 24,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.88 : 32,516.47 = 16,431.72 : x
  2. Step 2: Convert to fraction form
    21,725.88/32,516.47 = 16,431.72/x
  3. Step 3: Cross multiply
    21,725.88x = 32,516.47 × 16,431.72
  4. Step 4: Simplify right side
    21,725.88x = 534,301,530.43
  5. Step 5: Solve for x
    x = 534,301,530.43/21,725.88
  6. Step 6: Final answer
    x = 24,592.86

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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.