Home / 18,296.08-25,248.60-9,912.58

Finding the Fourth Proportional to 18,296.08, 25,248.60 and 9,912.58

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Solution

The fourth proportional to 18,296.08, 25,248.60 and 9,912.58 is: 13,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.08 : 25,248.60 = 9,912.58 : x
  2. Step 2: Convert to fraction form
    18,296.08/25,248.60 = 9,912.58/x
  3. Step 3: Cross multiply
    18,296.08x = 25,248.60 × 9,912.58
  4. Step 4: Simplify right side
    18,296.08x = 250,278,767.39
  5. Step 5: Solve for x
    x = 250,278,767.39/18,296.08
  6. Step 6: Final answer
    x = 13,679.37

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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.