Home / 27,019.20-37,287.20-15,082.48

Finding the Fourth Proportional to 27,019.20, 37,287.20 and 15,082.48

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Solution

The fourth proportional to 27,019.20, 37,287.20 and 15,082.48 is: 20,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.20 : 37,287.20 = 15,082.48 : x
  2. Step 2: Convert to fraction form
    27,019.20/37,287.20 = 15,082.48/x
  3. Step 3: Cross multiply
    27,019.20x = 37,287.20 × 15,082.48
  4. Step 4: Simplify right side
    27,019.20x = 562,383,448.26
  5. Step 5: Solve for x
    x = 562,383,448.26/27,019.20
  6. Step 6: Final answer
    x = 20,814.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.