Home / 23,176.35-31,987.35-13,107.92

Finding the Fourth Proportional to 23,176.35, 31,987.35 and 13,107.92

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Solution

The fourth proportional to 23,176.35, 31,987.35 and 13,107.92 is: 18,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.35 : 31,987.35 = 13,107.92 : x
  2. Step 2: Convert to fraction form
    23,176.35/31,987.35 = 13,107.92/x
  3. Step 3: Cross multiply
    23,176.35x = 31,987.35 × 13,107.92
  4. Step 4: Simplify right side
    23,176.35x = 419,287,464.88
  5. Step 5: Solve for x
    x = 419,287,464.88/23,176.35
  6. Step 6: Final answer
    x = 18,091.18

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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.