Home / 19,688.11-27,168.99-10,735.79

Finding the Fourth Proportional to 19,688.11, 27,168.99 and 10,735.79

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Solution

The fourth proportional to 19,688.11, 27,168.99 and 10,735.79 is: 14,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.11 : 27,168.99 = 10,735.79 : x
  2. Step 2: Convert to fraction form
    19,688.11/27,168.99 = 10,735.79/x
  3. Step 3: Cross multiply
    19,688.11x = 27,168.99 × 10,735.79
  4. Step 4: Simplify right side
    19,688.11x = 291,680,435.31
  5. Step 5: Solve for x
    x = 291,680,435.31/19,688.11
  6. Step 6: Final answer
    x = 14,815.06

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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.