Home / 18,195.45-25,108.56-10,237.89

Finding the Fourth Proportional to 18,195.45, 25,108.56 and 10,237.89

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Solution

The fourth proportional to 18,195.45, 25,108.56 and 10,237.89 is: 14,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.45 : 25,108.56 = 10,237.89 : x
  2. Step 2: Convert to fraction form
    18,195.45/25,108.56 = 10,237.89/x
  3. Step 3: Cross multiply
    18,195.45x = 25,108.56 × 10,237.89
  4. Step 4: Simplify right side
    18,195.45x = 257,058,675.34
  5. Step 5: Solve for x
    x = 257,058,675.34/18,195.45
  6. Step 6: Final answer
    x = 14,127.63

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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.