Home / 18,277.27-25,221.23-10,320.28

Finding the Fourth Proportional to 18,277.27, 25,221.23 and 10,320.28

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Solution

The fourth proportional to 18,277.27, 25,221.23 and 10,320.28 is: 14,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.27 : 25,221.23 = 10,320.28 : x
  2. Step 2: Convert to fraction form
    18,277.27/25,221.23 = 10,320.28/x
  3. Step 3: Cross multiply
    18,277.27x = 25,221.23 × 10,320.28
  4. Step 4: Simplify right side
    18,277.27x = 260,290,103.94
  5. Step 5: Solve for x
    x = 260,290,103.94/18,277.27
  6. Step 6: Final answer
    x = 14,241.19

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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.