Home / 16,828.72-23,220.12-9,754.72

Finding the Fourth Proportional to 16,828.72, 23,220.12 and 9,754.72

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Solution

The fourth proportional to 16,828.72, 23,220.12 and 9,754.72 is: 13,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.72 : 23,220.12 = 9,754.72 : x
  2. Step 2: Convert to fraction form
    16,828.72/23,220.12 = 9,754.72/x
  3. Step 3: Cross multiply
    16,828.72x = 23,220.12 × 9,754.72
  4. Step 4: Simplify right side
    16,828.72x = 226,505,768.97
  5. Step 5: Solve for x
    x = 226,505,768.97/16,828.72
  6. Step 6: Final answer
    x = 13,459.48

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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.