Home / 23,043.57-31,801.28-12,975.27

Finding the Fourth Proportional to 23,043.57, 31,801.28 and 12,975.27

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Solution

The fourth proportional to 23,043.57, 31,801.28 and 12,975.27 is: 17,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.57 : 31,801.28 = 12,975.27 : x
  2. Step 2: Convert to fraction form
    23,043.57/31,801.28 = 12,975.27/x
  3. Step 3: Cross multiply
    23,043.57x = 31,801.28 × 12,975.27
  4. Step 4: Simplify right side
    23,043.57x = 412,630,129.47
  5. Step 5: Solve for x
    x = 412,630,129.47/23,043.57
  6. Step 6: Final answer
    x = 17,906.52

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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.