Home / 16,879.71-23,292.80-9,325.96

Finding the Fourth Proportional to 16,879.71, 23,292.80 and 9,325.96

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Solution

The fourth proportional to 16,879.71, 23,292.80 and 9,325.96 is: 12,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.71 : 23,292.80 = 9,325.96 : x
  2. Step 2: Convert to fraction form
    16,879.71/23,292.80 = 9,325.96/x
  3. Step 3: Cross multiply
    16,879.71x = 23,292.80 × 9,325.96
  4. Step 4: Simplify right side
    16,879.71x = 217,227,756.05
  5. Step 5: Solve for x
    x = 217,227,756.05/16,879.71
  6. Step 6: Final answer
    x = 12,869.16

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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.