Home / 18,149.67-25,045.88-10,083.69

Finding the Fourth Proportional to 18,149.67, 25,045.88 and 10,083.69

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Solution

The fourth proportional to 18,149.67, 25,045.88 and 10,083.69 is: 13,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.67 : 25,045.88 = 10,083.69 : x
  2. Step 2: Convert to fraction form
    18,149.67/25,045.88 = 10,083.69/x
  3. Step 3: Cross multiply
    18,149.67x = 25,045.88 × 10,083.69
  4. Step 4: Simplify right side
    18,149.67x = 252,554,839.28
  5. Step 5: Solve for x
    x = 252,554,839.28/18,149.67
  6. Step 6: Final answer
    x = 13,915.12

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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.