Home / 23,143.05-31,937.25-12,532.44

Finding the Fourth Proportional to 23,143.05, 31,937.25 and 12,532.44

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Solution

The fourth proportional to 23,143.05, 31,937.25 and 12,532.44 is: 17,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.05 : 31,937.25 = 12,532.44 : x
  2. Step 2: Convert to fraction form
    23,143.05/31,937.25 = 12,532.44/x
  3. Step 3: Cross multiply
    23,143.05x = 31,937.25 × 12,532.44
  4. Step 4: Simplify right side
    23,143.05x = 400,251,669.39
  5. Step 5: Solve for x
    x = 400,251,669.39/23,143.05
  6. Step 6: Final answer
    x = 17,294.68

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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.