Home / 16,780.04-23,156.74-9,226.68

Finding the Fourth Proportional to 16,780.04, 23,156.74 and 9,226.68

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Solution

The fourth proportional to 16,780.04, 23,156.74 and 9,226.68 is: 12,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.04 : 23,156.74 = 9,226.68 : x
  2. Step 2: Convert to fraction form
    16,780.04/23,156.74 = 9,226.68/x
  3. Step 3: Cross multiply
    16,780.04x = 23,156.74 × 9,226.68
  4. Step 4: Simplify right side
    16,780.04x = 213,659,829.82
  5. Step 5: Solve for x
    x = 213,659,829.82/16,780.04
  6. Step 6: Final answer
    x = 12,732.98

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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.