Home / 18,225.57-25,149.78-10,269.75

Finding the Fourth Proportional to 18,225.57, 25,149.78 and 10,269.75

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Solution

The fourth proportional to 18,225.57, 25,149.78 and 10,269.75 is: 14,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.57 : 25,149.78 = 10,269.75 : x
  2. Step 2: Convert to fraction form
    18,225.57/25,149.78 = 10,269.75/x
  3. Step 3: Cross multiply
    18,225.57x = 25,149.78 × 10,269.75
  4. Step 4: Simplify right side
    18,225.57x = 258,281,953.16
  5. Step 5: Solve for x
    x = 258,281,953.16/18,225.57
  6. Step 6: Final answer
    x = 14,171.41

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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.