Home / 16,306.70-22,497.26-9,930.68

Finding the Fourth Proportional to 16,306.70, 22,497.26 and 9,930.68

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Solution

The fourth proportional to 16,306.70, 22,497.26 and 9,930.68 is: 13,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.70 : 22,497.26 = 9,930.68 : x
  2. Step 2: Convert to fraction form
    16,306.70/22,497.26 = 9,930.68/x
  3. Step 3: Cross multiply
    16,306.70x = 22,497.26 × 9,930.68
  4. Step 4: Simplify right side
    16,306.70x = 223,413,089.94
  5. Step 5: Solve for x
    x = 223,413,089.94/16,306.70
  6. Step 6: Final answer
    x = 13,700.69

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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.