Home / 18,276.90-25,221.94-10,318.94

Finding the Fourth Proportional to 18,276.90, 25,221.94 and 10,318.94

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Solution

The fourth proportional to 18,276.90, 25,221.94 and 10,318.94 is: 14,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.90 : 25,221.94 = 10,318.94 : x
  2. Step 2: Convert to fraction form
    18,276.90/25,221.94 = 10,318.94/x
  3. Step 3: Cross multiply
    18,276.90x = 25,221.94 × 10,318.94
  4. Step 4: Simplify right side
    18,276.90x = 260,263,685.54
  5. Step 5: Solve for x
    x = 260,263,685.54/18,276.90
  6. Step 6: Final answer
    x = 14,240.03

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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.