Home / 22,738.43-31,374.86-12,666.62

Finding the Fourth Proportional to 22,738.43, 31,374.86 and 12,666.62

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Solution

The fourth proportional to 22,738.43, 31,374.86 and 12,666.62 is: 17,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.43 : 31,374.86 = 12,666.62 : x
  2. Step 2: Convert to fraction form
    22,738.43/31,374.86 = 12,666.62/x
  3. Step 3: Cross multiply
    22,738.43x = 31,374.86 × 12,666.62
  4. Step 4: Simplify right side
    22,738.43x = 397,413,208.97
  5. Step 5: Solve for x
    x = 397,413,208.97/22,738.43
  6. Step 6: Final answer
    x = 17,477.60

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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.