Home / 23,107.24-31,888-12,496.88

Finding the Fourth Proportional to 23,107.24, 31,888 and 12,496.88

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Solution

The fourth proportional to 23,107.24, 31,888 and 12,496.88 is: 17,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.24 : 31,888 = 12,496.88 : x
  2. Step 2: Convert to fraction form
    23,107.24/31,888 = 12,496.88/x
  3. Step 3: Cross multiply
    23,107.24x = 31,888 × 12,496.88
  4. Step 4: Simplify right side
    23,107.24x = 398,500,509.44
  5. Step 5: Solve for x
    x = 398,500,509.44/23,107.24
  6. Step 6: Final answer
    x = 17,245.70

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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.