Home / 18,042.48-27,025.92-11,465.28

Finding the Fourth Proportional to 18,042.48, 27,025.92 and 11,465.28

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Solution

The fourth proportional to 18,042.48, 27,025.92 and 11,465.28 is: 17,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.48 : 27,025.92 = 11,465.28 : x
  2. Step 2: Convert to fraction form
    18,042.48/27,025.92 = 11,465.28/x
  3. Step 3: Cross multiply
    18,042.48x = 27,025.92 × 11,465.28
  4. Step 4: Simplify right side
    18,042.48x = 309,859,740.06
  5. Step 5: Solve for x
    x = 309,859,740.06/18,042.48
  6. Step 6: Final answer
    x = 17,173.90

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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.