Home / 19,687.46-27,168.20-10,735.13

Finding the Fourth Proportional to 19,687.46, 27,168.20 and 10,735.13

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Solution

The fourth proportional to 19,687.46, 27,168.20 and 10,735.13 is: 14,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.46 : 27,168.20 = 10,735.13 : x
  2. Step 2: Convert to fraction form
    19,687.46/27,168.20 = 10,735.13/x
  3. Step 3: Cross multiply
    19,687.46x = 27,168.20 × 10,735.13
  4. Step 4: Simplify right side
    19,687.46x = 291,654,105.19
  5. Step 5: Solve for x
    x = 291,654,105.19/19,687.46
  6. Step 6: Final answer
    x = 14,814.21

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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.