Home / 16,456.48-24,688.43-7,686.61

Finding the Fourth Proportional to 16,456.48, 24,688.43 and 7,686.61

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Solution

The fourth proportional to 16,456.48, 24,688.43 and 7,686.61 is: 11,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,456.48 : 24,688.43 = 7,686.61 : x
  2. Step 2: Convert to fraction form
    16,456.48/24,688.43 = 7,686.61/x
  3. Step 3: Cross multiply
    16,456.48x = 24,688.43 × 7,686.61
  4. Step 4: Simplify right side
    16,456.48x = 189,770,332.92
  5. Step 5: Solve for x
    x = 189,770,332.92/16,456.48
  6. Step 6: Final answer
    x = 11,531.65

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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.