Home / 16,483.90-24,723.32-5,390.64

Finding the Fourth Proportional to 16,483.90, 24,723.32 and 5,390.64

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Solution

The fourth proportional to 16,483.90, 24,723.32 and 5,390.64 is: 8,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,483.90 : 24,723.32 = 5,390.64 : x
  2. Step 2: Convert to fraction form
    16,483.90/24,723.32 = 5,390.64/x
  3. Step 3: Cross multiply
    16,483.90x = 24,723.32 × 5,390.64
  4. Step 4: Simplify right side
    16,483.90x = 133,274,517.72
  5. Step 5: Solve for x
    x = 133,274,517.72/16,483.90
  6. Step 6: Final answer
    x = 8,085.13

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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.