Home / 18,292.08-27,435.92-7,763.60

Finding the Fourth Proportional to 18,292.08, 27,435.92 and 7,763.60

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Solution

The fourth proportional to 18,292.08, 27,435.92 and 7,763.60 is: 11,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.08 : 27,435.92 = 7,763.60 : x
  2. Step 2: Convert to fraction form
    18,292.08/27,435.92 = 7,763.60/x
  3. Step 3: Cross multiply
    18,292.08x = 27,435.92 × 7,763.60
  4. Step 4: Simplify right side
    18,292.08x = 213,001,508.51
  5. Step 5: Solve for x
    x = 213,001,508.51/18,292.08
  6. Step 6: Final answer
    x = 11,644.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.