Home / 18,126.89-25,017.46-10,171.68

Finding the Fourth Proportional to 18,126.89, 25,017.46 and 10,171.68

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Solution

The fourth proportional to 18,126.89, 25,017.46 and 10,171.68 is: 14,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.89 : 25,017.46 = 10,171.68 : x
  2. Step 2: Convert to fraction form
    18,126.89/25,017.46 = 10,171.68/x
  3. Step 3: Cross multiply
    18,126.89x = 25,017.46 × 10,171.68
  4. Step 4: Simplify right side
    18,126.89x = 254,469,478.29
  5. Step 5: Solve for x
    x = 254,469,478.29/18,126.89
  6. Step 6: Final answer
    x = 14,038.23

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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.