Home / 15,126.70-22,690.05-9,286.60

Finding the Fourth Proportional to 15,126.70, 22,690.05 and 9,286.60

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Solution

The fourth proportional to 15,126.70, 22,690.05 and 9,286.60 is: 13,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.70 : 22,690.05 = 9,286.60 : x
  2. Step 2: Convert to fraction form
    15,126.70/22,690.05 = 9,286.60/x
  3. Step 3: Cross multiply
    15,126.70x = 22,690.05 × 9,286.60
  4. Step 4: Simplify right side
    15,126.70x = 210,713,418.33
  5. Step 5: Solve for x
    x = 210,713,418.33/15,126.70
  6. Step 6: Final answer
    x = 13,929.90

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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.