Home / 19,861.86-27,408.30-10,910.58

Finding the Fourth Proportional to 19,861.86, 27,408.30 and 10,910.58

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Solution

The fourth proportional to 19,861.86, 27,408.30 and 10,910.58 is: 15,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.86 : 27,408.30 = 10,910.58 : x
  2. Step 2: Convert to fraction form
    19,861.86/27,408.30 = 10,910.58/x
  3. Step 3: Cross multiply
    19,861.86x = 27,408.30 × 10,910.58
  4. Step 4: Simplify right side
    19,861.86x = 299,040,449.81
  5. Step 5: Solve for x
    x = 299,040,449.81/19,861.86
  6. Step 6: Final answer
    x = 15,056.01

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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.