Home / 18,221.66-25,144.26-10,263.68

Finding the Fourth Proportional to 18,221.66, 25,144.26 and 10,263.68

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Solution

The fourth proportional to 18,221.66, 25,144.26 and 10,263.68 is: 14,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.66 : 25,144.26 = 10,263.68 : x
  2. Step 2: Convert to fraction form
    18,221.66/25,144.26 = 10,263.68/x
  3. Step 3: Cross multiply
    18,221.66x = 25,144.26 × 10,263.68
  4. Step 4: Simplify right side
    18,221.66x = 258,072,638.48
  5. Step 5: Solve for x
    x = 258,072,638.48/18,221.66
  6. Step 6: Final answer
    x = 14,162.96

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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.