Home / 19,395.39-29,105.84-10,636.46

Finding the Fourth Proportional to 19,395.39, 29,105.84 and 10,636.46

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Solution

The fourth proportional to 19,395.39, 29,105.84 and 10,636.46 is: 15,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.39 : 29,105.84 = 10,636.46 : x
  2. Step 2: Convert to fraction form
    19,395.39/29,105.84 = 10,636.46/x
  3. Step 3: Cross multiply
    19,395.39x = 29,105.84 × 10,636.46
  4. Step 4: Simplify right side
    19,395.39x = 309,582,983.99
  5. Step 5: Solve for x
    x = 309,582,983.99/19,395.39
  6. Step 6: Final answer
    x = 15,961.68

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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.