Home / 18,212.18-25,132.53-10,254.38

Finding the Fourth Proportional to 18,212.18, 25,132.53 and 10,254.38

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Solution

The fourth proportional to 18,212.18, 25,132.53 and 10,254.38 is: 14,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.18 : 25,132.53 = 10,254.38 : x
  2. Step 2: Convert to fraction form
    18,212.18/25,132.53 = 10,254.38/x
  3. Step 3: Cross multiply
    18,212.18x = 25,132.53 × 10,254.38
  4. Step 4: Simplify right side
    18,212.18x = 257,718,512.98
  5. Step 5: Solve for x
    x = 257,718,512.98/18,212.18
  6. Step 6: Final answer
    x = 14,150.89

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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.