Home / 16,816.72-23,207.08-9,747.24

Finding the Fourth Proportional to 16,816.72, 23,207.08 and 9,747.24

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Solution

The fourth proportional to 16,816.72, 23,207.08 and 9,747.24 is: 13,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.72 : 23,207.08 = 9,747.24 : x
  2. Step 2: Convert to fraction form
    16,816.72/23,207.08 = 9,747.24/x
  3. Step 3: Cross multiply
    16,816.72x = 23,207.08 × 9,747.24
  4. Step 4: Simplify right side
    16,816.72x = 226,204,978.46
  5. Step 5: Solve for x
    x = 226,204,978.46/16,816.72
  6. Step 6: Final answer
    x = 13,451.19

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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.