Home / 23,143.35-31,937.43-12,532.89

Finding the Fourth Proportional to 23,143.35, 31,937.43 and 12,532.89

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Solution

The fourth proportional to 23,143.35, 31,937.43 and 12,532.89 is: 17,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.35 : 31,937.43 = 12,532.89 : x
  2. Step 2: Convert to fraction form
    23,143.35/31,937.43 = 12,532.89/x
  3. Step 3: Cross multiply
    23,143.35x = 31,937.43 × 12,532.89
  4. Step 4: Simplify right side
    23,143.35x = 400,268,297.07
  5. Step 5: Solve for x
    x = 400,268,297.07/23,143.35
  6. Step 6: Final answer
    x = 17,295.18

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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.