Home / 18,348.32-25,321.20-10,795.20

Finding the Fourth Proportional to 18,348.32, 25,321.20 and 10,795.20

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Solution

The fourth proportional to 18,348.32, 25,321.20 and 10,795.20 is: 14,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.32 : 25,321.20 = 10,795.20 : x
  2. Step 2: Convert to fraction form
    18,348.32/25,321.20 = 10,795.20/x
  3. Step 3: Cross multiply
    18,348.32x = 25,321.20 × 10,795.20
  4. Step 4: Simplify right side
    18,348.32x = 273,347,418.24
  5. Step 5: Solve for x
    x = 273,347,418.24/18,348.32
  6. Step 6: Final answer
    x = 14,897.68

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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.