Home / 16,425.72-22,644.59-11,381.27

Finding the Fourth Proportional to 16,425.72, 22,644.59 and 11,381.27

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Solution

The fourth proportional to 16,425.72, 22,644.59 and 11,381.27 is: 15,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.72 : 22,644.59 = 11,381.27 : x
  2. Step 2: Convert to fraction form
    16,425.72/22,644.59 = 11,381.27/x
  3. Step 3: Cross multiply
    16,425.72x = 22,644.59 × 11,381.27
  4. Step 4: Simplify right side
    16,425.72x = 257,724,022.70
  5. Step 5: Solve for x
    x = 257,724,022.70/16,425.72
  6. Step 6: Final answer
    x = 15,690.27

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Half scale
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Double scale
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Similar ratio
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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.