Home / 23,220.21-32,053.69-15,676.75

Finding the Fourth Proportional to 23,220.21, 32,053.69 and 15,676.75

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Solution

The fourth proportional to 23,220.21, 32,053.69 and 15,676.75 is: 21,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.21 : 32,053.69 = 15,676.75 : x
  2. Step 2: Convert to fraction form
    23,220.21/32,053.69 = 15,676.75/x
  3. Step 3: Cross multiply
    23,220.21x = 32,053.69 × 15,676.75
  4. Step 4: Simplify right side
    23,220.21x = 502,497,804.03
  5. Step 5: Solve for x
    x = 502,497,804.03/23,220.21
  6. Step 6: Final answer
    x = 21,640.54

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.