Home / 16,889.87-23,308.67-11,214.83

Finding the Fourth Proportional to 16,889.87, 23,308.67 and 11,214.83

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Solution

The fourth proportional to 16,889.87, 23,308.67 and 11,214.83 is: 15,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.87 : 23,308.67 = 11,214.83 : x
  2. Step 2: Convert to fraction form
    16,889.87/23,308.67 = 11,214.83/x
  3. Step 3: Cross multiply
    16,889.87x = 23,308.67 × 11,214.83
  4. Step 4: Simplify right side
    16,889.87x = 261,402,808.10
  5. Step 5: Solve for x
    x = 261,402,808.10/16,889.87
  6. Step 6: Final answer
    x = 15,476.90

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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.