Home / 16,331.72-22,497.78-11,842.28

Finding the Fourth Proportional to 16,331.72, 22,497.78 and 11,842.28

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Solution

The fourth proportional to 16,331.72, 22,497.78 and 11,842.28 is: 16,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.72 : 22,497.78 = 11,842.28 : x
  2. Step 2: Convert to fraction form
    16,331.72/22,497.78 = 11,842.28/x
  3. Step 3: Cross multiply
    16,331.72x = 22,497.78 × 11,842.28
  4. Step 4: Simplify right side
    16,331.72x = 266,425,010.14
  5. Step 5: Solve for x
    x = 266,425,010.14/16,331.72
  6. Step 6: Final answer
    x = 16,313.35

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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.