Home / 14,157.10-21,236.13-3,768.86

Finding the Fourth Proportional to 14,157.10, 21,236.13 and 3,768.86

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Solution

The fourth proportional to 14,157.10, 21,236.13 and 3,768.86 is: 5,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.10 : 21,236.13 = 3,768.86 : x
  2. Step 2: Convert to fraction form
    14,157.10/21,236.13 = 3,768.86/x
  3. Step 3: Cross multiply
    14,157.10x = 21,236.13 × 3,768.86
  4. Step 4: Simplify right side
    14,157.10x = 80,035,875.89
  5. Step 5: Solve for x
    x = 80,035,875.89/14,157.10
  6. Step 6: Final answer
    x = 5,653.41

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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.