Home / 19,688.54-27,170.03-10,736.01

Finding the Fourth Proportional to 19,688.54, 27,170.03 and 10,736.01

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Solution

The fourth proportional to 19,688.54, 27,170.03 and 10,736.01 is: 14,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.54 : 27,170.03 = 10,736.01 : x
  2. Step 2: Convert to fraction form
    19,688.54/27,170.03 = 10,736.01/x
  3. Step 3: Cross multiply
    19,688.54x = 27,170.03 × 10,736.01
  4. Step 4: Simplify right side
    19,688.54x = 291,697,740.62
  5. Step 5: Solve for x
    x = 291,697,740.62/19,688.54
  6. Step 6: Final answer
    x = 14,815.61

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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.