Home / 23,170.06-31,974.65-12,559.69

Finding the Fourth Proportional to 23,170.06, 31,974.65 and 12,559.69

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Solution

The fourth proportional to 23,170.06, 31,974.65 and 12,559.69 is: 17,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.06 : 31,974.65 = 12,559.69 : x
  2. Step 2: Convert to fraction form
    23,170.06/31,974.65 = 12,559.69/x
  3. Step 3: Cross multiply
    23,170.06x = 31,974.65 × 12,559.69
  4. Step 4: Simplify right side
    23,170.06x = 401,591,549.12
  5. Step 5: Solve for x
    x = 401,591,549.12/23,170.06
  6. Step 6: Final answer
    x = 17,332.35

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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.