Home / 18,085.14-27,109.14-7,561.32

Finding the Fourth Proportional to 18,085.14, 27,109.14 and 7,561.32

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Solution

The fourth proportional to 18,085.14, 27,109.14 and 7,561.32 is: 11,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.14 : 27,109.14 = 7,561.32 : x
  2. Step 2: Convert to fraction form
    18,085.14/27,109.14 = 7,561.32/x
  3. Step 3: Cross multiply
    18,085.14x = 27,109.14 × 7,561.32
  4. Step 4: Simplify right side
    18,085.14x = 204,980,882.46
  5. Step 5: Solve for x
    x = 204,980,882.46/18,085.14
  6. Step 6: Final answer
    x = 11,334.22

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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.