Home / 16,865.86-23,273.68-9,310.98

Finding the Fourth Proportional to 16,865.86, 23,273.68 and 9,310.98

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Solution

The fourth proportional to 16,865.86, 23,273.68 and 9,310.98 is: 12,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.86 : 23,273.68 = 9,310.98 : x
  2. Step 2: Convert to fraction form
    16,865.86/23,273.68 = 9,310.98/x
  3. Step 3: Cross multiply
    16,865.86x = 23,273.68 × 9,310.98
  4. Step 4: Simplify right side
    16,865.86x = 216,700,769.01
  5. Step 5: Solve for x
    x = 216,700,769.01/16,865.86
  6. Step 6: Final answer
    x = 12,848.49

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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.