Home / 18,211.26-25,131.48-10,253.52

Finding the Fourth Proportional to 18,211.26, 25,131.48 and 10,253.52

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Solution

The fourth proportional to 18,211.26, 25,131.48 and 10,253.52 is: 14,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.26 : 25,131.48 = 10,253.52 : x
  2. Step 2: Convert to fraction form
    18,211.26/25,131.48 = 10,253.52/x
  3. Step 3: Cross multiply
    18,211.26x = 25,131.48 × 10,253.52
  4. Step 4: Simplify right side
    18,211.26x = 257,686,132.81
  5. Step 5: Solve for x
    x = 257,686,132.81/18,211.26
  6. Step 6: Final answer
    x = 14,149.82

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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.