Home / 13,797.09-20,695.64-8,252.06

Finding the Fourth Proportional to 13,797.09, 20,695.64 and 8,252.06

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Solution

The fourth proportional to 13,797.09, 20,695.64 and 8,252.06 is: 12,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.09 : 20,695.64 = 8,252.06 : x
  2. Step 2: Convert to fraction form
    13,797.09/20,695.64 = 8,252.06/x
  3. Step 3: Cross multiply
    13,797.09x = 20,695.64 × 8,252.06
  4. Step 4: Simplify right side
    13,797.09x = 170,781,518.28
  5. Step 5: Solve for x
    x = 170,781,518.28/13,797.09
  6. Step 6: Final answer
    x = 12,378.08

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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.