Home / 21,725.08-32,588.22-7,683.12

Finding the Fourth Proportional to 21,725.08, 32,588.22 and 7,683.12

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Solution

The fourth proportional to 21,725.08, 32,588.22 and 7,683.12 is: 11,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.08 : 32,588.22 = 7,683.12 : x
  2. Step 2: Convert to fraction form
    21,725.08/32,588.22 = 7,683.12/x
  3. Step 3: Cross multiply
    21,725.08x = 32,588.22 × 7,683.12
  4. Step 4: Simplify right side
    21,725.08x = 250,379,204.85
  5. Step 5: Solve for x
    x = 250,379,204.85/21,725.08
  6. Step 6: Final answer
    x = 11,524.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.