Home / 23,026.43-31,778.31-12,954.27

Finding the Fourth Proportional to 23,026.43, 31,778.31 and 12,954.27

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Solution

The fourth proportional to 23,026.43, 31,778.31 and 12,954.27 is: 17,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.43 : 31,778.31 = 12,954.27 : x
  2. Step 2: Convert to fraction form
    23,026.43/31,778.31 = 12,954.27/x
  3. Step 3: Cross multiply
    23,026.43x = 31,778.31 × 12,954.27
  4. Step 4: Simplify right side
    23,026.43x = 411,664,807.88
  5. Step 5: Solve for x
    x = 411,664,807.88/23,026.43
  6. Step 6: Final answer
    x = 17,877.93

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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.