Home / 16,231.40-22,412.58-10,272.68

Finding the Fourth Proportional to 16,231.40, 22,412.58 and 10,272.68

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Solution

The fourth proportional to 16,231.40, 22,412.58 and 10,272.68 is: 14,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.40 : 22,412.58 = 10,272.68 : x
  2. Step 2: Convert to fraction form
    16,231.40/22,412.58 = 10,272.68/x
  3. Step 3: Cross multiply
    16,231.40x = 22,412.58 × 10,272.68
  4. Step 4: Simplify right side
    16,231.40x = 230,237,262.31
  5. Step 5: Solve for x
    x = 230,237,262.31/16,231.40
  6. Step 6: Final answer
    x = 14,184.68

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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.