Home / 23,176.66-31,983.59-13,107.07

Finding the Fourth Proportional to 23,176.66, 31,983.59 and 13,107.07

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Solution

The fourth proportional to 23,176.66, 31,983.59 and 13,107.07 is: 18,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.66 : 31,983.59 = 13,107.07 : x
  2. Step 2: Convert to fraction form
    23,176.66/31,983.59 = 13,107.07/x
  3. Step 3: Cross multiply
    23,176.66x = 31,983.59 × 13,107.07
  4. Step 4: Simplify right side
    23,176.66x = 419,211,152.98
  5. Step 5: Solve for x
    x = 419,211,152.98/23,176.66
  6. Step 6: Final answer
    x = 18,087.64

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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.