Home / 23,143.24-31,937.61-12,532.87

Finding the Fourth Proportional to 23,143.24, 31,937.61 and 12,532.87

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Solution

The fourth proportional to 23,143.24, 31,937.61 and 12,532.87 is: 17,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.24 : 31,937.61 = 12,532.87 : x
  2. Step 2: Convert to fraction form
    23,143.24/31,937.61 = 12,532.87/x
  3. Step 3: Cross multiply
    23,143.24x = 31,937.61 × 12,532.87
  4. Step 4: Simplify right side
    23,143.24x = 400,270,009.75
  5. Step 5: Solve for x
    x = 400,270,009.75/23,143.24
  6. Step 6: Final answer
    x = 17,295.33

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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.