Home / 15,610.32-21,552.48-9,650.75

Finding the Fourth Proportional to 15,610.32, 21,552.48 and 9,650.75

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Solution

The fourth proportional to 15,610.32, 21,552.48 and 9,650.75 is: 13,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.32 : 21,552.48 = 9,650.75 : x
  2. Step 2: Convert to fraction form
    15,610.32/21,552.48 = 9,650.75/x
  3. Step 3: Cross multiply
    15,610.32x = 21,552.48 × 9,650.75
  4. Step 4: Simplify right side
    15,610.32x = 207,997,488.60
  5. Step 5: Solve for x
    x = 207,997,488.60/15,610.32
  6. Step 6: Final answer
    x = 13,324.36

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Half scale
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Double scale
Find fourth proportional to 15,611.32, 21,553.86 and 9,651.75
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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.