Home / 19,687.95-27,168.35-10,735.47

Finding the Fourth Proportional to 19,687.95, 27,168.35 and 10,735.47

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Solution

The fourth proportional to 19,687.95, 27,168.35 and 10,735.47 is: 14,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.95 : 27,168.35 = 10,735.47 : x
  2. Step 2: Convert to fraction form
    19,687.95/27,168.35 = 10,735.47/x
  3. Step 3: Cross multiply
    19,687.95x = 27,168.35 × 10,735.47
  4. Step 4: Simplify right side
    19,687.95x = 291,665,006.37
  5. Step 5: Solve for x
    x = 291,665,006.37/19,687.95
  6. Step 6: Final answer
    x = 14,814.39

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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.