Home / 15,874.14-21,900.46-9,500.88

Finding the Fourth Proportional to 15,874.14, 21,900.46 and 9,500.88

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Solution

The fourth proportional to 15,874.14, 21,900.46 and 9,500.88 is: 13,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.14 : 21,900.46 = 9,500.88 : x
  2. Step 2: Convert to fraction form
    15,874.14/21,900.46 = 9,500.88/x
  3. Step 3: Cross multiply
    15,874.14x = 21,900.46 × 9,500.88
  4. Step 4: Simplify right side
    15,874.14x = 208,073,642.40
  5. Step 5: Solve for x
    x = 208,073,642.40/15,874.14
  6. Step 6: Final answer
    x = 13,107.71

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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.