Home / 27,074.24-37,360.72-15,138.56

Finding the Fourth Proportional to 27,074.24, 37,360.72 and 15,138.56

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Solution

The fourth proportional to 27,074.24, 37,360.72 and 15,138.56 is: 20,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.24 : 37,360.72 = 15,138.56 : x
  2. Step 2: Convert to fraction form
    27,074.24/37,360.72 = 15,138.56/x
  3. Step 3: Cross multiply
    27,074.24x = 37,360.72 × 15,138.56
  4. Step 4: Simplify right side
    27,074.24x = 565,587,501.36
  5. Step 5: Solve for x
    x = 565,587,501.36/27,074.24
  6. Step 6: Final answer
    x = 20,890.24

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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.