Home / 16,780.68-25,141.86-8,975.52

Finding the Fourth Proportional to 16,780.68, 25,141.86 and 8,975.52

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Solution

The fourth proportional to 16,780.68, 25,141.86 and 8,975.52 is: 13,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.68 : 25,141.86 = 8,975.52 : x
  2. Step 2: Convert to fraction form
    16,780.68/25,141.86 = 8,975.52/x
  3. Step 3: Cross multiply
    16,780.68x = 25,141.86 × 8,975.52
  4. Step 4: Simplify right side
    16,780.68x = 225,661,267.27
  5. Step 5: Solve for x
    x = 225,661,267.27/16,780.68
  6. Step 6: Final answer
    x = 13,447.68

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1.5x scale

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.