Home / 16,514.32-24,775.36-5,421

Finding the Fourth Proportional to 16,514.32, 24,775.36 and 5,421

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Solution

The fourth proportional to 16,514.32, 24,775.36 and 5,421 is: 8,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,514.32 : 24,775.36 = 5,421 : x
  2. Step 2: Convert to fraction form
    16,514.32/24,775.36 = 5,421/x
  3. Step 3: Cross multiply
    16,514.32x = 24,775.36 × 5,421
  4. Step 4: Simplify right side
    16,514.32x = 134,307,226.56
  5. Step 5: Solve for x
    x = 134,307,226.56/16,514.32
  6. Step 6: Final answer
    x = 8,132.77

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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.