Home / 18,041.10-27,078.26-9,162.70

Finding the Fourth Proportional to 18,041.10, 27,078.26 and 9,162.70

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Solution

The fourth proportional to 18,041.10, 27,078.26 and 9,162.70 is: 13,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.10 : 27,078.26 = 9,162.70 : x
  2. Step 2: Convert to fraction form
    18,041.10/27,078.26 = 9,162.70/x
  3. Step 3: Cross multiply
    18,041.10x = 27,078.26 × 9,162.70
  4. Step 4: Simplify right side
    18,041.10x = 248,109,972.90
  5. Step 5: Solve for x
    x = 248,109,972.90/18,041.10
  6. Step 6: Final answer
    x = 13,752.49

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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.