Home / 21,740.15-32,621.16-16,204.61

Finding the Fourth Proportional to 21,740.15, 32,621.16 and 16,204.61

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Solution

The fourth proportional to 21,740.15, 32,621.16 and 16,204.61 is: 24,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.15 : 32,621.16 = 16,204.61 : x
  2. Step 2: Convert to fraction form
    21,740.15/32,621.16 = 16,204.61/x
  3. Step 3: Cross multiply
    21,740.15x = 32,621.16 × 16,204.61
  4. Step 4: Simplify right side
    21,740.15x = 528,613,012.44
  5. Step 5: Solve for x
    x = 528,613,012.44/21,740.15
  6. Step 6: Final answer
    x = 24,315.06

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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.