Home / 16,431.76-24,643.80-5,335.60

Finding the Fourth Proportional to 16,431.76, 24,643.80 and 5,335.60

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Solution

The fourth proportional to 16,431.76, 24,643.80 and 5,335.60 is: 8,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.76 : 24,643.80 = 5,335.60 : x
  2. Step 2: Convert to fraction form
    16,431.76/24,643.80 = 5,335.60/x
  3. Step 3: Cross multiply
    16,431.76x = 24,643.80 × 5,335.60
  4. Step 4: Simplify right side
    16,431.76x = 131,489,459.28
  5. Step 5: Solve for x
    x = 131,489,459.28/16,431.76
  6. Step 6: Final answer
    x = 8,002.15

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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.