Home / 16,252.35-22,412.25-9,879.81

Finding the Fourth Proportional to 16,252.35, 22,412.25 and 9,879.81

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Solution

The fourth proportional to 16,252.35, 22,412.25 and 9,879.81 is: 13,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,252.35 : 22,412.25 = 9,879.81 : x
  2. Step 2: Convert to fraction form
    16,252.35/22,412.25 = 9,879.81/x
  3. Step 3: Cross multiply
    16,252.35x = 22,412.25 × 9,879.81
  4. Step 4: Simplify right side
    16,252.35x = 221,428,771.67
  5. Step 5: Solve for x
    x = 221,428,771.67/16,252.35
  6. Step 6: Final answer
    x = 13,624.42

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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.