Home / 16,515.35-24,793.44-15,643.45

Finding the Fourth Proportional to 16,515.35, 24,793.44 and 15,643.45

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Solution

The fourth proportional to 16,515.35, 24,793.44 and 15,643.45 is: 23,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.35 : 24,793.44 = 15,643.45 : x
  2. Step 2: Convert to fraction form
    16,515.35/24,793.44 = 15,643.45/x
  3. Step 3: Cross multiply
    16,515.35x = 24,793.44 × 15,643.45
  4. Step 4: Simplify right side
    16,515.35x = 387,854,961.84
  5. Step 5: Solve for x
    x = 387,854,961.84/16,515.35
  6. Step 6: Final answer
    x = 23,484.52

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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.