Home / 18,195.75-25,110.13-10,237.96

Finding the Fourth Proportional to 18,195.75, 25,110.13 and 10,237.96

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Solution

The fourth proportional to 18,195.75, 25,110.13 and 10,237.96 is: 14,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.75 : 25,110.13 = 10,237.96 : x
  2. Step 2: Convert to fraction form
    18,195.75/25,110.13 = 10,237.96/x
  3. Step 3: Cross multiply
    18,195.75x = 25,110.13 × 10,237.96
  4. Step 4: Simplify right side
    18,195.75x = 257,076,506.53
  5. Step 5: Solve for x
    x = 257,076,506.53/18,195.75
  6. Step 6: Final answer
    x = 14,128.38

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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.