Home / 17,714.12-24,430.92-12,928.68

Finding the Fourth Proportional to 17,714.12, 24,430.92 and 12,928.68

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Solution

The fourth proportional to 17,714.12, 24,430.92 and 12,928.68 is: 17,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,714.12 : 24,430.92 = 12,928.68 : x
  2. Step 2: Convert to fraction form
    17,714.12/24,430.92 = 12,928.68/x
  3. Step 3: Cross multiply
    17,714.12x = 24,430.92 × 12,928.68
  4. Step 4: Simplify right side
    17,714.12x = 315,859,546.79
  5. Step 5: Solve for x
    x = 315,859,546.79/17,714.12
  6. Step 6: Final answer
    x = 17,830.95

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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.