Home / 16,672.64-25,018.08-5,582.72

Finding the Fourth Proportional to 16,672.64, 25,018.08 and 5,582.72

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Solution

The fourth proportional to 16,672.64, 25,018.08 and 5,582.72 is: 8,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.64 : 25,018.08 = 5,582.72 : x
  2. Step 2: Convert to fraction form
    16,672.64/25,018.08 = 5,582.72/x
  3. Step 3: Cross multiply
    16,672.64x = 25,018.08 × 5,582.72
  4. Step 4: Simplify right side
    16,672.64x = 139,668,935.58
  5. Step 5: Solve for x
    x = 139,668,935.58/16,672.64
  6. Step 6: Final answer
    x = 8,377.13

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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.