Home / 23,170.19-31,974.57-12,559.59

Finding the Fourth Proportional to 23,170.19, 31,974.57 and 12,559.59

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Solution

The fourth proportional to 23,170.19, 31,974.57 and 12,559.59 is: 17,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.19 : 31,974.57 = 12,559.59 : x
  2. Step 2: Convert to fraction form
    23,170.19/31,974.57 = 12,559.59/x
  3. Step 3: Cross multiply
    23,170.19x = 31,974.57 × 12,559.59
  4. Step 4: Simplify right side
    23,170.19x = 401,587,489.63
  5. Step 5: Solve for x
    x = 401,587,489.63/23,170.19
  6. Step 6: Final answer
    x = 17,332.08

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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.