Home / 23,143.42-31,937.97-12,532.99

Finding the Fourth Proportional to 23,143.42, 31,937.97 and 12,532.99

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Solution

The fourth proportional to 23,143.42, 31,937.97 and 12,532.99 is: 17,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.42 : 31,937.97 = 12,532.99 : x
  2. Step 2: Convert to fraction form
    23,143.42/31,937.97 = 12,532.99/x
  3. Step 3: Cross multiply
    23,143.42x = 31,937.97 × 12,532.99
  4. Step 4: Simplify right side
    23,143.42x = 400,278,258.63
  5. Step 5: Solve for x
    x = 400,278,258.63/23,143.42
  6. Step 6: Final answer
    x = 17,295.55

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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.