Home / 22,747.41-31,390.60-12,675.33

Finding the Fourth Proportional to 22,747.41, 31,390.60 and 12,675.33

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Solution

The fourth proportional to 22,747.41, 31,390.60 and 12,675.33 is: 17,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.41 : 31,390.60 = 12,675.33 : x
  2. Step 2: Convert to fraction form
    22,747.41/31,390.60 = 12,675.33/x
  3. Step 3: Cross multiply
    22,747.41x = 31,390.60 × 12,675.33
  4. Step 4: Simplify right side
    22,747.41x = 397,886,213.90
  5. Step 5: Solve for x
    x = 397,886,213.90/22,747.41
  6. Step 6: Final answer
    x = 17,491.50

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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.