Home / 19,687.48-27,169.29-10,735.16

Finding the Fourth Proportional to 19,687.48, 27,169.29 and 10,735.16

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Solution

The fourth proportional to 19,687.48, 27,169.29 and 10,735.16 is: 14,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.48 : 27,169.29 = 10,735.16 : x
  2. Step 2: Convert to fraction form
    19,687.48/27,169.29 = 10,735.16/x
  3. Step 3: Cross multiply
    19,687.48x = 27,169.29 × 10,735.16
  4. Step 4: Simplify right side
    19,687.48x = 291,666,539.39
  5. Step 5: Solve for x
    x = 291,666,539.39/19,687.48
  6. Step 6: Final answer
    x = 14,814.83

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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.