Home / 18,661.38-25,752.70-10,277.88

Finding the Fourth Proportional to 18,661.38, 25,752.70 and 10,277.88

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Solution

The fourth proportional to 18,661.38, 25,752.70 and 10,277.88 is: 14,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.38 : 25,752.70 = 10,277.88 : x
  2. Step 2: Convert to fraction form
    18,661.38/25,752.70 = 10,277.88/x
  3. Step 3: Cross multiply
    18,661.38x = 25,752.70 × 10,277.88
  4. Step 4: Simplify right side
    18,661.38x = 264,683,160.28
  5. Step 5: Solve for x
    x = 264,683,160.28/18,661.38
  6. Step 6: Final answer
    x = 14,183.47

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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.