Home / 14,018.48-20,997.56-6,611.84

Finding the Fourth Proportional to 14,018.48, 20,997.56 and 6,611.84

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Solution

The fourth proportional to 14,018.48, 20,997.56 and 6,611.84 is: 9,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.48 : 20,997.56 = 6,611.84 : x
  2. Step 2: Convert to fraction form
    14,018.48/20,997.56 = 6,611.84/x
  3. Step 3: Cross multiply
    14,018.48x = 20,997.56 × 6,611.84
  4. Step 4: Simplify right side
    14,018.48x = 138,832,402.12
  5. Step 5: Solve for x
    x = 138,832,402.12/14,018.48
  6. Step 6: Final answer
    x = 9,903.53

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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.