Home / 16,247.26-22,422.73-9,872.39

Finding the Fourth Proportional to 16,247.26, 22,422.73 and 9,872.39

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Solution

The fourth proportional to 16,247.26, 22,422.73 and 9,872.39 is: 13,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.26 : 22,422.73 = 9,872.39 : x
  2. Step 2: Convert to fraction form
    16,247.26/22,422.73 = 9,872.39/x
  3. Step 3: Cross multiply
    16,247.26x = 22,422.73 × 9,872.39
  4. Step 4: Simplify right side
    16,247.26x = 221,365,798.63
  5. Step 5: Solve for x
    x = 221,365,798.63/16,247.26
  6. Step 6: Final answer
    x = 13,624.81

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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.