Home / 13,474.58-20,185.08-10,539.14

Finding the Fourth Proportional to 13,474.58, 20,185.08 and 10,539.14

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Solution

The fourth proportional to 13,474.58, 20,185.08 and 10,539.14 is: 15,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.58 : 20,185.08 = 10,539.14 : x
  2. Step 2: Convert to fraction form
    13,474.58/20,185.08 = 10,539.14/x
  3. Step 3: Cross multiply
    13,474.58x = 20,185.08 × 10,539.14
  4. Step 4: Simplify right side
    13,474.58x = 212,733,384.03
  5. Step 5: Solve for x
    x = 212,733,384.03/13,474.58
  6. Step 6: Final answer
    x = 15,787.76

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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.