Home / 13,882.14-20,805.33-5,106.66

Finding the Fourth Proportional to 13,882.14, 20,805.33 and 5,106.66

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Solution

The fourth proportional to 13,882.14, 20,805.33 and 5,106.66 is: 7,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.14 : 20,805.33 = 5,106.66 : x
  2. Step 2: Convert to fraction form
    13,882.14/20,805.33 = 5,106.66/x
  3. Step 3: Cross multiply
    13,882.14x = 20,805.33 × 5,106.66
  4. Step 4: Simplify right side
    13,882.14x = 106,245,746.50
  5. Step 5: Solve for x
    x = 106,245,746.50/13,882.14
  6. Step 6: Final answer
    x = 7,653.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.