Home / 13,252.76-19,879.12-3,392.06

Finding the Fourth Proportional to 13,252.76, 19,879.12 and 3,392.06

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Solution

The fourth proportional to 13,252.76, 19,879.12 and 3,392.06 is: 5,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.76 : 19,879.12 = 3,392.06 : x
  2. Step 2: Convert to fraction form
    13,252.76/19,879.12 = 3,392.06/x
  3. Step 3: Cross multiply
    13,252.76x = 19,879.12 × 3,392.06
  4. Step 4: Simplify right side
    13,252.76x = 67,431,167.79
  5. Step 5: Solve for x
    x = 67,431,167.79/13,252.76
  6. Step 6: Final answer
    x = 5,088.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.