Home / 20,035.76-27,649.76-12,076.29

Finding the Fourth Proportional to 20,035.76, 27,649.76 and 12,076.29

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Solution

The fourth proportional to 20,035.76, 27,649.76 and 12,076.29 is: 16,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.76 : 27,649.76 = 12,076.29 : x
  2. Step 2: Convert to fraction form
    20,035.76/27,649.76 = 12,076.29/x
  3. Step 3: Cross multiply
    20,035.76x = 27,649.76 × 12,076.29
  4. Step 4: Simplify right side
    20,035.76x = 333,906,459.81
  5. Step 5: Solve for x
    x = 333,906,459.81/20,035.76
  6. Step 6: Final answer
    x = 16,665.53

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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.