Home / 13,733.21-18,949.04-8,068.88

Finding the Fourth Proportional to 13,733.21, 18,949.04 and 8,068.88

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Solution

The fourth proportional to 13,733.21, 18,949.04 and 8,068.88 is: 11,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.21 : 18,949.04 = 8,068.88 : x
  2. Step 2: Convert to fraction form
    13,733.21/18,949.04 = 8,068.88/x
  3. Step 3: Cross multiply
    13,733.21x = 18,949.04 × 8,068.88
  4. Step 4: Simplify right side
    13,733.21x = 152,897,567.16
  5. Step 5: Solve for x
    x = 152,897,567.16/13,733.21
  6. Step 6: Final answer
    x = 11,133.42

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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.