Home / 16,743.15-23,105.07-9,189.42

Finding the Fourth Proportional to 16,743.15, 23,105.07 and 9,189.42

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Solution

The fourth proportional to 16,743.15, 23,105.07 and 9,189.42 is: 12,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.15 : 23,105.07 = 9,189.42 : x
  2. Step 2: Convert to fraction form
    16,743.15/23,105.07 = 9,189.42/x
  3. Step 3: Cross multiply
    16,743.15x = 23,105.07 × 9,189.42
  4. Step 4: Simplify right side
    16,743.15x = 212,322,192.36
  5. Step 5: Solve for x
    x = 212,322,192.36/16,743.15
  6. Step 6: Final answer
    x = 12,681.14

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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.