Home / 13,657.14-20,486.21-4,892.04

Finding the Fourth Proportional to 13,657.14, 20,486.21 and 4,892.04

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Solution

The fourth proportional to 13,657.14, 20,486.21 and 4,892.04 is: 7,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.14 : 20,486.21 = 4,892.04 : x
  2. Step 2: Convert to fraction form
    13,657.14/20,486.21 = 4,892.04/x
  3. Step 3: Cross multiply
    13,657.14x = 20,486.21 × 4,892.04
  4. Step 4: Simplify right side
    13,657.14x = 100,219,334.31
  5. Step 5: Solve for x
    x = 100,219,334.31/13,657.14
  6. Step 6: Final answer
    x = 7,338.24

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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.