Home / 29,886.75-41,243.72-16,638.75

Finding the Fourth Proportional to 29,886.75, 41,243.72 and 16,638.75

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Solution

The fourth proportional to 29,886.75, 41,243.72 and 16,638.75 is: 22,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.75 : 41,243.72 = 16,638.75 : x
  2. Step 2: Convert to fraction form
    29,886.75/41,243.72 = 16,638.75/x
  3. Step 3: Cross multiply
    29,886.75x = 41,243.72 × 16,638.75
  4. Step 4: Simplify right side
    29,886.75x = 686,243,862.96
  5. Step 5: Solve for x
    x = 686,243,862.96/29,886.75
  6. Step 6: Final answer
    x = 22,961.48

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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.