Home / 27,454.92-37,889.71-15,518.34

Finding the Fourth Proportional to 27,454.92, 37,889.71 and 15,518.34

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Solution

The fourth proportional to 27,454.92, 37,889.71 and 15,518.34 is: 21,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454.92 : 37,889.71 = 15,518.34 : x
  2. Step 2: Convert to fraction form
    27,454.92/37,889.71 = 15,518.34/x
  3. Step 3: Cross multiply
    27,454.92x = 37,889.71 × 15,518.34
  4. Step 4: Simplify right side
    27,454.92x = 587,985,375.67
  5. Step 5: Solve for x
    x = 587,985,375.67/27,454.92
  6. Step 6: Final answer
    x = 21,416.40

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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.