Home / 17,581.66-24,252.24-12,795.20

Finding the Fourth Proportional to 17,581.66, 24,252.24 and 12,795.20

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Solution

The fourth proportional to 17,581.66, 24,252.24 and 12,795.20 is: 17,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.66 : 24,252.24 = 12,795.20 : x
  2. Step 2: Convert to fraction form
    17,581.66/24,252.24 = 12,795.20/x
  3. Step 3: Cross multiply
    17,581.66x = 24,252.24 × 12,795.20
  4. Step 4: Simplify right side
    17,581.66x = 310,312,273.27
  5. Step 5: Solve for x
    x = 310,312,273.27/17,581.66
  6. Step 6: Final answer
    x = 17,649.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.