Home / 16,278.48-22,454.52-10,299.78

Finding the Fourth Proportional to 16,278.48, 22,454.52 and 10,299.78

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Solution

The fourth proportional to 16,278.48, 22,454.52 and 10,299.78 is: 14,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.48 : 22,454.52 = 10,299.78 : x
  2. Step 2: Convert to fraction form
    16,278.48/22,454.52 = 10,299.78/x
  3. Step 3: Cross multiply
    16,278.48x = 22,454.52 × 10,299.78
  4. Step 4: Simplify right side
    16,278.48x = 231,276,616.01
  5. Step 5: Solve for x
    x = 231,276,616.01/16,278.48
  6. Step 6: Final answer
    x = 14,207.51

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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.