Home / 16,278.05-22,455.27-10,299.44

Finding the Fourth Proportional to 16,278.05, 22,455.27 and 10,299.44

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Solution

The fourth proportional to 16,278.05, 22,455.27 and 10,299.44 is: 14,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.05 : 22,455.27 = 10,299.44 : x
  2. Step 2: Convert to fraction form
    16,278.05/22,455.27 = 10,299.44/x
  3. Step 3: Cross multiply
    16,278.05x = 22,455.27 × 10,299.44
  4. Step 4: Simplify right side
    16,278.05x = 231,276,593.77
  5. Step 5: Solve for x
    x = 231,276,593.77/16,278.05
  6. Step 6: Final answer
    x = 14,207.89

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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.