Home / 19,687.42-27,168.24-10,734.99

Finding the Fourth Proportional to 19,687.42, 27,168.24 and 10,734.99

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Solution

The fourth proportional to 19,687.42, 27,168.24 and 10,734.99 is: 14,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.42 : 27,168.24 = 10,734.99 : x
  2. Step 2: Convert to fraction form
    19,687.42/27,168.24 = 10,734.99/x
  3. Step 3: Cross multiply
    19,687.42x = 27,168.24 × 10,734.99
  4. Step 4: Simplify right side
    19,687.42x = 291,650,784.72
  5. Step 5: Solve for x
    x = 291,650,784.72/19,687.42
  6. Step 6: Final answer
    x = 14,814.07

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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.