Home / 23,170.24-31,974.98-12,559.87

Finding the Fourth Proportional to 23,170.24, 31,974.98 and 12,559.87

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Solution

The fourth proportional to 23,170.24, 31,974.98 and 12,559.87 is: 17,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.24 : 31,974.98 = 12,559.87 : x
  2. Step 2: Convert to fraction form
    23,170.24/31,974.98 = 12,559.87/x
  3. Step 3: Cross multiply
    23,170.24x = 31,974.98 × 12,559.87
  4. Step 4: Simplify right side
    23,170.24x = 401,601,639.87
  5. Step 5: Solve for x
    x = 401,601,639.87/23,170.24
  6. Step 6: Final answer
    x = 17,332.65

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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.