Home / 16,531.86-24,799.37-5,438.64

Finding the Fourth Proportional to 16,531.86, 24,799.37 and 5,438.64

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Solution

The fourth proportional to 16,531.86, 24,799.37 and 5,438.64 is: 8,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.86 : 24,799.37 = 5,438.64 : x
  2. Step 2: Convert to fraction form
    16,531.86/24,799.37 = 5,438.64/x
  3. Step 3: Cross multiply
    16,531.86x = 24,799.37 × 5,438.64
  4. Step 4: Simplify right side
    16,531.86x = 134,874,818.46
  5. Step 5: Solve for x
    x = 134,874,818.46/16,531.86
  6. Step 6: Final answer
    x = 8,158.48

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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.