Home / 14,114.56-21,170.20-3,727.12

Finding the Fourth Proportional to 14,114.56, 21,170.20 and 3,727.12

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Solution

The fourth proportional to 14,114.56, 21,170.20 and 3,727.12 is: 5,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.56 : 21,170.20 = 3,727.12 : x
  2. Step 2: Convert to fraction form
    14,114.56/21,170.20 = 3,727.12/x
  3. Step 3: Cross multiply
    14,114.56x = 21,170.20 × 3,727.12
  4. Step 4: Simplify right side
    14,114.56x = 78,903,875.82
  5. Step 5: Solve for x
    x = 78,903,875.82/14,114.56
  6. Step 6: Final answer
    x = 5,590.25

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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.