Home / 19,247.52-26,540.60-12,520.68

Finding the Fourth Proportional to 19,247.52, 26,540.60 and 12,520.68

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Solution

The fourth proportional to 19,247.52, 26,540.60 and 12,520.68 is: 17,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.52 : 26,540.60 = 12,520.68 : x
  2. Step 2: Convert to fraction form
    19,247.52/26,540.60 = 12,520.68/x
  3. Step 3: Cross multiply
    19,247.52x = 26,540.60 × 12,520.68
  4. Step 4: Simplify right side
    19,247.52x = 332,306,197.48
  5. Step 5: Solve for x
    x = 332,306,197.48/19,247.52
  6. Step 6: Final answer
    x = 17,264.88

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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.