Home / 17,682.66-24,252.56-15,689.76

Finding the Fourth Proportional to 17,682.66, 24,252.56 and 15,689.76

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Solution

The fourth proportional to 17,682.66, 24,252.56 and 15,689.76 is: 21,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.66 : 24,252.56 = 15,689.76 : x
  2. Step 2: Convert to fraction form
    17,682.66/24,252.56 = 15,689.76/x
  3. Step 3: Cross multiply
    17,682.66x = 24,252.56 × 15,689.76
  4. Step 4: Simplify right side
    17,682.66x = 380,516,823.48
  5. Step 5: Solve for x
    x = 380,516,823.48/17,682.66
  6. Step 6: Final answer
    x = 21,519.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.