Home / 18,095.10-27,135.45-6,402.30

Finding the Fourth Proportional to 18,095.10, 27,135.45 and 6,402.30

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Solution

The fourth proportional to 18,095.10, 27,135.45 and 6,402.30 is: 9,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.10 : 27,135.45 = 6,402.30 : x
  2. Step 2: Convert to fraction form
    18,095.10/27,135.45 = 6,402.30/x
  3. Step 3: Cross multiply
    18,095.10x = 27,135.45 × 6,402.30
  4. Step 4: Simplify right side
    18,095.10x = 173,729,291.54
  5. Step 5: Solve for x
    x = 173,729,291.54/18,095.10
  6. Step 6: Final answer
    x = 9,600.90

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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.