Home / 16,288.74-22,478.46-8,836.74

Finding the Fourth Proportional to 16,288.74, 22,478.46 and 8,836.74

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Solution

The fourth proportional to 16,288.74, 22,478.46 and 8,836.74 is: 12,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,288.74 : 22,478.46 = 8,836.74 : x
  2. Step 2: Convert to fraction form
    16,288.74/22,478.46 = 8,836.74/x
  3. Step 3: Cross multiply
    16,288.74x = 22,478.46 × 8,836.74
  4. Step 4: Simplify right side
    16,288.74x = 198,636,306.62
  5. Step 5: Solve for x
    x = 198,636,306.62/16,288.74
  6. Step 6: Final answer
    x = 12,194.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.