Home / 23,170.33-31,975.11-12,559.91

Finding the Fourth Proportional to 23,170.33, 31,975.11 and 12,559.91

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Solution

The fourth proportional to 23,170.33, 31,975.11 and 12,559.91 is: 17,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.33 : 31,975.11 = 12,559.91 : x
  2. Step 2: Convert to fraction form
    23,170.33/31,975.11 = 12,559.91/x
  3. Step 3: Cross multiply
    23,170.33x = 31,975.11 × 12,559.91
  4. Step 4: Simplify right side
    23,170.33x = 401,604,441.04
  5. Step 5: Solve for x
    x = 401,604,441.04/23,170.33
  6. Step 6: Final answer
    x = 17,332.71

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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.