Home / 16,508-24,764.35-5,415.55

Finding the Fourth Proportional to 16,508, 24,764.35 and 5,415.55

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Solution

The fourth proportional to 16,508, 24,764.35 and 5,415.55 is: 8,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508 : 24,764.35 = 5,415.55 : x
  2. Step 2: Convert to fraction form
    16,508/24,764.35 = 5,415.55/x
  3. Step 3: Cross multiply
    16,508x = 24,764.35 × 5,415.55
  4. Step 4: Simplify right side
    16,508x = 134,112,575.64
  5. Step 5: Solve for x
    x = 134,112,575.64/16,508
  6. Step 6: Final answer
    x = 8,124.10

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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.