Home / 18,948.70-26,149.39-10,882.25

Finding the Fourth Proportional to 18,948.70, 26,149.39 and 10,882.25

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Solution

The fourth proportional to 18,948.70, 26,149.39 and 10,882.25 is: 15,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.70 : 26,149.39 = 10,882.25 : x
  2. Step 2: Convert to fraction form
    18,948.70/26,149.39 = 10,882.25/x
  3. Step 3: Cross multiply
    18,948.70x = 26,149.39 × 10,882.25
  4. Step 4: Simplify right side
    18,948.70x = 284,564,199.33
  5. Step 5: Solve for x
    x = 284,564,199.33/18,948.70
  6. Step 6: Final answer
    x = 15,017.61

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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.