Home / 13,135.46-19,706.82-7,296.17

Finding the Fourth Proportional to 13,135.46, 19,706.82 and 7,296.17

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Solution

The fourth proportional to 13,135.46, 19,706.82 and 7,296.17 is: 10,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.46 : 19,706.82 = 7,296.17 : x
  2. Step 2: Convert to fraction form
    13,135.46/19,706.82 = 7,296.17/x
  3. Step 3: Cross multiply
    13,135.46x = 19,706.82 × 7,296.17
  4. Step 4: Simplify right side
    13,135.46x = 143,784,308.88
  5. Step 5: Solve for x
    x = 143,784,308.88/13,135.46
  6. Step 6: Final answer
    x = 10,946.27

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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.