Home / 22,900.09-31,584.36-15,344.01

Finding the Fourth Proportional to 22,900.09, 31,584.36 and 15,344.01

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Solution

The fourth proportional to 22,900.09, 31,584.36 and 15,344.01 is: 21,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.09 : 31,584.36 = 15,344.01 : x
  2. Step 2: Convert to fraction form
    22,900.09/31,584.36 = 15,344.01/x
  3. Step 3: Cross multiply
    22,900.09x = 31,584.36 × 15,344.01
  4. Step 4: Simplify right side
    22,900.09x = 484,630,735.68
  5. Step 5: Solve for x
    x = 484,630,735.68/22,900.09
  6. Step 6: Final answer
    x = 21,162.83

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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.