Home / 13,914.56-20,870.04-3,525.68

Finding the Fourth Proportional to 13,914.56, 20,870.04 and 3,525.68

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Solution

The fourth proportional to 13,914.56, 20,870.04 and 3,525.68 is: 5,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.56 : 20,870.04 = 3,525.68 : x
  2. Step 2: Convert to fraction form
    13,914.56/20,870.04 = 3,525.68/x
  3. Step 3: Cross multiply
    13,914.56x = 20,870.04 × 3,525.68
  4. Step 4: Simplify right side
    13,914.56x = 73,581,082.63
  5. Step 5: Solve for x
    x = 73,581,082.63/13,914.56
  6. Step 6: Final answer
    x = 5,288.06

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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.