Home / 27,449.54-37,881.12-15,512.63

Finding the Fourth Proportional to 27,449.54, 37,881.12 and 15,512.63

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Solution

The fourth proportional to 27,449.54, 37,881.12 and 15,512.63 is: 21,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.54 : 37,881.12 = 15,512.63 : x
  2. Step 2: Convert to fraction form
    27,449.54/37,881.12 = 15,512.63/x
  3. Step 3: Cross multiply
    27,449.54x = 37,881.12 × 15,512.63
  4. Step 4: Simplify right side
    27,449.54x = 587,635,798.55
  5. Step 5: Solve for x
    x = 587,635,798.55/27,449.54
  6. Step 6: Final answer
    x = 21,407.86

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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.